Subject Index by Keyword: S-T

Full Titles: A-C D-F G-O P-R S-T U-Z, numbers

Key Word Puzzlet Number Title Same 205 Consecutive Integers with same Prime Factor Sum 210 Triplets with the same Final Digit Product Scalene 62 A Scalene Triangle 103 Another Scalene Triangle Scores 121 Dartboard Scores 127 Playing Card Scores Segment,

Segments175 Digital Clock Segments 192 UniDigits from 7-Segment Displays Selective 106 Selective Deletions Self,

Self-113

Self-Generated Integer Products 115 Self-Generating Integer Factors 117 Self-Generating Squares 125 A Self-Generating Integer from Digit Cubes 132 Self-Generating Integer from Digit Powers 143 A Self-Generating Sequence 145 Self-Generating Sequences Revisited 214 Self-Descriptive Numbers 222 Self-Terminating Sequence Sequence,

Sequences108 A Sequence of Summed Cubes 143 A Self-Generating Sequence 145 Self-Generating Sequences Revisited 169 A Sequence of Integer Digit Sums 172 A New Sequence 174 A Sequence from Odd, Even & Prime Numbers 199 A Sequence from Digit Sums & Products 217 Prime Factor Sequence 222 Self-Terminating Sequence Series 184 A Series of DigiNums 193 A Repeating Series from a PanDigital 203 Palindromes from Digit Sum Series Shared 179 Shared Prime Factor Sums Shilling 13 Pounds, Shillings, and Pence Spelling 206 Hexadecimal Spelling Sphere 11 A Cylinder and a Sphere Square,

Squared,

Squares4

Palindromic Squares 10 PanDigitals Made from Squares 15 A Triplet of Sums of Squares 24 Triplets of Integers Summing to a Square 29 Squared Denary and Binary Palindromes 44 Sums of Squares 45 Squares and Cubes 49 Palindromes and Squares 52 Palindromes from Squares 55 Squares with Consecutive Parts 70 A Rectangle and a Square 74 A run from two squares 94 UniDigits from Squared Triples 107 Even Digit-Count Palindromic Squares 111 Squares from Squares 117 Self-Generating Squares 119 Three Squares 120 Squares from Twin Primes 123 Square Pandigitals 128 A Palindrome from Adjacent Squares 130 A Square from Two UniDigits 134 A Square from an Integer and its Reverse 137 A Reverse Run from Squares 138 All-Even-Digit Squares 140 A Square from two Runs 149 Squares from Concatenated Squares 152 Mutually-Exclusive Squares and Cubes 153 Squares from Rotated Squares 157 Pandigitals from Squared Pandigital Parts 161 Squares from Reversed Primes 162 Squares with Embedded Roots 163 The Difference of Two Squares 164 Squares and Half-Squares 182 Squares from Concatenated Prime Factors 201 Squares of Sums of Digits 215 A Square from Concatenated Squares Steel 194

A Cross of Steel Strings 114 Proper Divisor Strings Sub 151 Sub-Number Primes Suffix 50 Cubic Suffixes Sum,

Summing,

Sums7

Sum The Cubes of an Integer's Digits 9 Sum of the Factorials of an Integer's Digits 15 A Triplet of Sums of Squares 24 Triplets of Integers Summing to a Square 31 Products and Reversed Sums 38 Factorial Sums 39 Equal Products and Sums 44 Sums of Squares 83 Sums of cubes 104 Sum to 10,000 108 A Sequence of Summed Cubes 110 Repeated Digit Sums and 15 142 Summing Decimal Digits 150 Digit Permutation Sums 166 Prime Factor Sum 169 A Sequence of Integer Digit Sums 179 Shared Prime Factor Sums 181 Contiguous Digit Sums 191 Contiguous Digit Sum Palindromes 197 Sums of Powers in Alternate Number Bases 199 A Sequence from Digit Sums & Products 201 Squares of Sums of Digits 203 Palindromes from Digit Sum Series 205 Consecutive Integers with same Prime Factor Sum 213 Cubed Integers Equal Digit Sums Tank 18 Volume of a Tank 68 How long to fill the Tank? Target 216 Consecutive Primes With Target Intervals Temperatures 32 Temperatures in ºC and ºF 177 Temperatures Revisited Terminating 222 Self-Terminating Sequence Thousand 88 Making One Thousand Three 119 Three Squares Trapezium 51 A Trapezium Triangle,

Triangles28 Right-Angled Triangles 43 More Right-Angled Triangles 62 A Scalene Triangle 64 Another Right-Angled Triangle 76 Two Triangles 93 The Triangle Revisited 97 Circle in a Triangle 103 Another Scalene Triangle 112 A Truncated Triangle 183 A Primitive Right-Angled Triangle Trianglular 72 Triangular Numbers 85 Triangular Numbers Revisited 87 A Matrix of Triangular Numbers 146 More on Triangular Numbers 159 Triangular Numbers from Triplet Products 196 A Palindrome from Triangular Numbers Triple,

Triples,

Triplet,

Triplets8 Triple Of Numbers 14 Triplets of 2-digit Integers 15 A Triplet of Sums of Squares 24 Triplets of Integers Summing to a Square 94 UniDigits from Squared Triples 159 Triangular Numbers from Triplet Products 210 Triplets with the same Final Digit Product 223 Integer Triplets with a Difference Truncated 112 A Truncated Triangle Twenty 118 Twenty Bricks Twin 120 Squares from Twin Primes 139 Palindromes from Twin Primes Two 74 A run from two squares 76 Two Triangles 130 A Square from Two UniDigits 140 A Square from two Runs 163 The Difference of Two Squares Type 131 Primes of Type 4n - 1

Full Titles: A-C D-F G-O P-R S-T U-Z, numbers

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