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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
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ASCII Table
Billiards
brainfuck
Card Number Validation
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Catalan’s Constant
Christmas Trees
Collatz
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Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
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Niven Numbers (Long)
Number Spiral
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Odious Numbers (Long)
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Pangram Grep
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Poker
Polyominoes
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Prime Numbers (Long)
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Quine
Recamán
Repeating Decimals
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Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
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Flags
Floyd-Steinberg Dithering
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p-adic Expansion
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Bytes
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160
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72
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169
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Inventory Sequence
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3,777
27 days ago
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dokutan
3,676
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76
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46
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52
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54
6 Sep 2025
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3,629
4 Sep 2025
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5,622
4 Sep 2025
Inventory Sequence
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23,622
4 Sep 2025
Inventory Sequence
Emutis
132
4 Sep 2025
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blaztoma
8,622
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Inventory Sequence
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10,622
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Inventory Sequence
blaztoma
105
4 Sep 2025
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95
4 Sep 2025
Inventory Sequence
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10,622
4 Sep 2025
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5,733
4 Sep 2025
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58
4 Sep 2025
Inventory Sequence
blaztoma
87,545
3 Sep 2025
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2,706
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Inventory Sequence
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154
3 Sep 2025
Inventory Sequence
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151
3 Sep 2025
Inventory Sequence
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102
3 Sep 2025
Inventory Sequence
blaztoma
92
3 Sep 2025
Inventory Sequence
blaztoma
137
3 Sep 2025
Inventory Sequence
blaztoma
132
3 Sep 2025
Inventory Sequence
blaztoma
72
3 Sep 2025
Inventory Sequence
blaztoma
565
3 Sep 2025
Inventory Sequence
blaztoma
68
3 Sep 2025
Inventory Sequence
blaztoma
867
3 Sep 2025
Inventory Sequence
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150
3 Sep 2025
Inventory Sequence
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113
3 Sep 2025
Inventory Sequence
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27
3 Sep 2025
Inventory Sequence
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80
2 Sep 2025
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86
2 Sep 2025
Inventory Sequence
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90
2 Sep 2025
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75
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82
2 Sep 2025