12 Days of Christmas
4th
99 Bottles of Beer
6th
Abundant Numbers
8th
19th
Arabic to Roman
2nd
7th
Ascending Primes
6th
ASCII Table
2nd
381st
brainfuck
2nd
Catalan Numbers
1st
Christmas Trees
1st
Collatz
4th
Diamonds
1st
Divisors
1st1st
15th1st
Emirp Numbers
1st
690th
Emirp Numbers (Long)
1st
Emojify
Evil Numbers
1st
1st
Evil Numbers (Long)
1st
Factorial Factorisation
2nd
Farey Sequence
1st
Fibonacci
31st1st
27th1st
Fizz Buzz
4th
2,289th
Foo Fizz Buzz Bar
4th
Fractions
2nd
Happy Numbers
7th
101st
Happy Numbers (Long)
6th
Hexdump
3rd
Intersection
6th
Inventory Sequence
1st
ISBN
17th6th
19th
Kolakoski Constant
4th
Kolakoski Sequence
1st
1st
Leap Years
5th
946th
Levenshtein Distance
2nd
6th63rd
Leyland Numbers
1st
107th
Look and Say
1st
Lucky Numbers
17th4th
67th
Lucky Tickets
8th
7th88th
Morse Decoder
Niven Numbers
5th
34th
Niven Numbers (Long)
4th
Number Spiral
11th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
2nd
382nd
PalindromemordnilaP
3rd
Pangram Grep
3rd
Pascal’s Triangle
1st
26th
Pernicious Numbers
1st
17th
Pernicious Numbers (Long)
4th
Prime Numbers
1st
212th
Prime Numbers (Long)
1st
41st
Proximity Grid
2nd
Quine
24th
56th
Recamán
7th
Reverse Polish Notation
19th4th60th11th35th
ROT13
1st
Rule 110
9th1st
Seven Segment
5th
Sierpiński Triangle
2nd
Smith Numbers
1st
Sudoku (Fill-in)
2nd
Tongue-twisters
2nd
39th
United States
Vampire Numbers
1st
48th
Van Eck Sequence
6th
π
1st
141st
τ
1st
φ
1st
√2
1st
𝑒
1st