12 Days of Christmas
1st
99 Bottles of Beer
Abundant Numbers
21st
Arabic to Roman
7th
Ascending Primes
ASCII Table
4th
450th
brainfuck
Catalan Numbers
1st
Christmas Trees
Collatz
2nd
Diamonds
2nd
Divisors
1st1st
17th117th
Emirp Numbers
750th
Emirp Numbers (Long)
Emojify
Evil Numbers
1st
Evil Numbers (Long)
Factorial Factorisation
3rd
Farey Sequence
1st
Fibonacci
34th1st
34th1st
Fizz Buzz
2nd
41st
Foo Fizz Buzz Bar
5th
Fractions
2nd
Happy Numbers
3rd
31st
Happy Numbers (Long)
Hexdump
4th
Intersection
8th
Inventory Sequence
1st
ISBN
17th6th
19th
Kolakoski Constant
Kolakoski Sequence
1st
Leap Years
1,028th
Levenshtein Distance
2nd
7th101st
Leyland Numbers
3rd
153rd
Look and Say
Lucky Numbers
18th4th
92nd
Lucky Tickets
8th
9th124th
Morse Decoder
Niven Numbers
2nd
36th
Niven Numbers (Long)
Number Spiral
12th
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
4th
47th
PalindromemordnilaP
4th
Pangram Grep
Pascal’s Triangle
1st
30th
Pernicious Numbers
1st
20th
Pernicious Numbers (Long)
1st
Prime Numbers
1st
246th
Prime Numbers (Long)
1st
50th
Proximity Grid
2nd
Quine
1st
72nd
Recamán
3rd
Reverse Polish Notation
20th4th64th12th77th
ROT13
1st
Rule 110
11th
Seven Segment
2nd
Sierpiński Triangle
Smith Numbers
Sudoku (Fill-in)
2nd
Tongue-twisters
2nd
111th
United States
Vampire Numbers
1st
83rd
Van Eck Sequence
6th
π
3rd
194th
τ
3rd
φ
1st
√2
3rd
𝑒
1st