12 Days of Christmas
45th
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24 Game
10th
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5th
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99 Bottles of Beer
1st
Abundant Numbers
8th
Abundant Numbers (Long)
2nd
Alphabetic Numbers
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Arabic to Roman
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Arithmetic Numbers
2nd
Arrows
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Ascending Primes
2nd
ASCII Table
3rd
Billiards
3rd
Calendar
1st
Card Number Validation
1st
Catalan Numbers
5th
Catalan’s Constant
2nd
Christmas Trees
1st
Collatz
1st
Connect Four
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Continued Fractions
1st
CSS Colors
1st
Cubes
17th
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💎7th
5th
💎39th
3rd6th
Day of Week
1st
DFA Simulator
2nd
Diamonds
6th
Divisors
2nd
Emirp Numbers
1st
Emirp Numbers (Long)
1st
Emojify
3rd
Evil Numbers
2nd
Evil Numbers (Long)
37th1st
Factorial Factorisation
3rd
Farey Sequence
1st
Fibonacci
18th
75th64th267th
10th
Fizz Buzz
16th
1st
Foo Fizz Buzz Bar
11th
2nd
47th
24th
Forsyth–Edwards Notation
2nd
Fractions
1st
Game of Life
3rd
Gijswijt’s Sequence
6th
Gray Code Decoder
4th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
2nd
Hilbert Curve
2nd
Intersection
4th
Inventory Sequence
2nd
ISBN
1st
Jacobi Symbol
3rd
Kaprekar Numbers
3rd
Kolakoski Constant
1st
Kolakoski Sequence
2nd
Leap Years
1st
Leyland Numbers
💎121st
ln 2
7th
Look and Say
2nd
Lucky Numbers
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Lucky Tickets
5th
Mandelbrot
2nd
Maze
2nd
Medal Tally
18th
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8th
Minesweeper
11th
3rd
Morse Decoder
💎
Morse Encoder
💎
Multitap Input
1st
Musical Chords
2nd
N Queens
2nd
Nim
15th
1st
Niven Numbers
9th
Niven Numbers (Long)
5th
Number Spiral
💎
Odious Numbers
2nd
Odious Numbers (Long)
40th
1st
Ordinal Numbers
2nd
PalindromemordnilaP
3rd
Pangram Grep
1st
Partition Numbers
2nd
Pascal’s Triangle
7th
Pernicious Numbers
1st
1st
26th
1st
11th
Pernicious Numbers (Long)
20th
1st
Polyominoes
💎
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
2nd
QR Decoder
💎
Quine
15th
Recamán
1st
Repeating Decimals
4th
Reverse Polish Notation
3rd
Reversi
1st
Rijndael S-box
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Rock-paper-scissors-Spock-lizard
💎25th
18th
Roman to Arabic
26th
2nd
ROT13
30th12th5th
43rd
Rule 110
2nd
Scrambled Sort
3rd
Set
2nd
Seven Segment
13th
10th8th
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13th
9th
SI Units
2nd
Sierpiński Triangle
💎
Smith Numbers
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Spelling Numbers
1st
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Star Wars GPT
2nd
Star Wars Opening Crawl
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Taxicab Numbers
1st
Ten-pin Bowling
6th
Tic-tac-toe
5th
Time Distance
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Tongue-twisters
6th
Tower of Hanoi
5th2nd1st
5th
4th
7th
3rd5th2nd
2nd
Transpose Sentence
2nd
Trinomial Triangle
5th
Ulam Sequence
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United States
12th
3rd
Vampire Numbers
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Van Eck Sequence
4th
Zeckendorf Representation
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Zodiac Signs
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γ
3rd
λ
2nd
π
4th
τ
2nd
φ
7th7th
2nd
√2
6th
𝑒
1st