12 Days of Christmas
1st
99 Bottles of Beer
6th
Abundant Numbers
9th
15th
Arabic to Roman
2nd
5th
Ascending Primes
6th
ASCII Table
3rd
314th
brainfuck
2nd
Catalan Numbers
1st
Christmas Trees
2nd
Collatz
4th
Diamonds
1st
Divisors
1st
1st
11th
82nd
Emirp Numbers
2nd
632nd
Emirp Numbers (Long)
1st
Evil Numbers
1st
1st
Evil Numbers (Long)
1st
Factorial Factorisation
2nd
Farey Sequence
1st
Fibonacci
28th
1st
18th
1st
Fizz Buzz
2nd
28th
Foo Fizz Buzz Bar
5th
Fractions
2nd
Happy Numbers
3rd
19th
Happy Numbers (Long)
6th
Hexdump
4th
Intersection
7th
Inventory Sequence
1st
ISBN
15th
6th
16th
Kolakoski Constant
5th
Kolakoski Sequence
2nd
1st
Leap Years
7th
849th
Levenshtein Distance
2nd
6th
71st
Leyland Numbers
3rd
114th
Look and Say
1st
Lucky Numbers
16th
4th
69th
Lucky Tickets
8th
6th
82nd
Niven Numbers
3rd
25th
Niven Numbers (Long)
4th
Number Spiral
11th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
36th
Pangram Grep
5th
Pascal’s Triangle
1st
19th
Pernicious Numbers
1st
11th
Pernicious Numbers (Long)
4th
Prime Numbers
1st
179th
Prime Numbers (Long)
1st
38th
Proximity Grid
2nd
Quine
21st
52nd
Recamán
7th
Reverse Polish Notation
19th
4th
48th
8th
51st
Rule 110
10th
3rd
Seven Segment
2nd
Sierpiński Triangle
3rd
Smith Numbers
1st
Sudoku v2
2nd
Tongue-twisters
2nd
87th
Vampire Numbers
1st
63rd
Van Eck Sequence
6th
π
3rd
149th
τ
3rd
φ
1st
√2
3rd
𝑒
1st