12 Days of Christmas
1st
99 Bottles of Beer
6th
Abundant Numbers
9th
19th
Arabic to Roman
2nd
7th
Ascending Primes
6th
ASCII Table
3rd
379th
brainfuck
2nd
Catalan Numbers
1st
Christmas Trees
2nd
Collatz
4th
Diamonds
1st
Divisors
1st1st
15th98th
Emirp Numbers
2nd
689th
Emirp Numbers (Long)
1st
Emojify
Evil Numbers
1st
1st
Evil Numbers (Long)
1st
Factorial Factorisation
2nd
Farey Sequence
1st
Fibonacci
31st1st
27th1st
Fizz Buzz
2nd
34th
Foo Fizz Buzz Bar
5th
Fractions
2nd
Happy Numbers
3rd
24th
Happy Numbers (Long)
6th
Hexdump
4th
Intersection
7th
Inventory Sequence
1st
ISBN
17th6th
19th
Kolakoski Constant
5th
Kolakoski Sequence
2nd
1st
Leap Years
7th
945th
Levenshtein Distance
2nd
6th81st
Leyland Numbers
3rd
130th
Look and Say
1st
Lucky Numbers
17th4th
80th
Lucky Tickets
8th
7th99th
Morse Decoder
Niven Numbers
3rd
34th
Niven Numbers (Long)
4th
Number Spiral
11th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
40th
PalindromemordnilaP
3rd
Pangram Grep
5th
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
19th4th58th11th65th
ROT13
1st
Rule 110
10th3rd
Seven Segment
2nd
Sierpiński Triangle
3rd
Smith Numbers
1st
Sudoku (Fill-in)
2nd
Tongue-twisters
2nd
94th
United States
Vampire Numbers
1st
68th
Van Eck Sequence
6th
π
3rd
165th
τ
3rd
φ
1st
√2
3rd
𝑒
1st