12 Days of Christmas
7th
99 Bottles of Beer
5th
Abundant Numbers
4th
Abundant Numbers (Long)
1st
Arithmetic Numbers
3rd
Arrows
3rd
ASCII Table
1st
brainfuck
6th
Christmas Trees
1st
Collatz
1st
CSS Colors
4th
Diamonds
2nd
Divisors
1st
Emirp Numbers
6th
Emirp Numbers (Long)
5th
Emojify
4th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
2nd
Farey Sequence
1st
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Fractions
1st
Gijswijt’s Sequence
5th
Happy Numbers
10th
Happy Numbers (Long)
5th
Hexdump
1st
Intersection
8th
Inventory Sequence
1st
ISBN
1st
Kaprekar Numbers
2nd
Kolakoski Constant
💎
Kolakoski Sequence
1st
Leap Years
1st
Leyland Numbers
2nd
Look and Say
7th
Lucky Numbers
2nd
Medal Tally
1st
Morse Encoder
4th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
1st
PalindromemordnilaP
3rd
Pangram Grep
1st
Partition Numbers
4th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
1st
Reverse Polish Notation
3rd
Rock-paper-scissors-Spock-lizard
2nd
Roman to Arabic
3rd
ROT13
1st
Rule 110
3rd
Scrambled Sort
3rd
Seven Segment
10th
Sierpiński Triangle
8th
Smith Numbers
4th
Spelling Numbers
5th
Ten-pin Bowling
3rd
Tic-tac-toe
3rd
Tongue-twisters
7th
Tower of Hanoi
1st
Transpose Sentence
1st
Trinomial Triangle
3rd
United States
3rd
Vampire Numbers
5th
Van Eck Sequence
1st
Zeckendorf Representation
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π
2nd
τ
2nd
𝑒
4th