12 Days of Christmas
86th
99 Bottles of Beer
759th
Abundant Numbers
98th36th
73rd1,329th460th
Abundant Numbers (Long)
31st
255th
Arithmetic Numbers
294th
Ascending Primes
6th
ASCII Table
728th
Calendar
272nd
Card Number Validation
405th
Catalan Numbers
26th
Collatz
842nd
Diamonds
364th
Divisors
498th1st
28th
Emirp Numbers
714th5th
Emirp Numbers (Long)
10th
Evil Numbers
1,331st
Evil Numbers (Long)
884th
Factorial Factorisation
166th
Farey Sequence
52nd
Fibonacci
2,351st
2,567th4,120th432nd385th
2,076th
Fizz Buzz
3,789th4,651st
Foo Fizz Buzz Bar
1,600th
Forsyth–Edwards Notation
29th
Fractions
456th
Game of Life
87th
Gijswijt’s Sequence
239th
Happy Numbers
1,060th
646th
589th
Happy Numbers (Long)
632nd
184th
ISBN
141st
767th
Kolakoski Sequence
33rd
Leap Years
1,208th
Leyland Numbers
160th
Look and Say
554th
Niven Numbers
1,731st
2,052nd1,667th757th
1,611th
Niven Numbers (Long)
1,511th319th77th
Number Spiral
33rd
Odious Numbers
420th
Odious Numbers (Long)
305th
PalindromemordnilaP
62nd
78th
Pangram Grep
1,041st
Pascal’s Triangle
1st
Pernicious Numbers
111th
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
658th
741st
3,935th249th
768th
Reverse Polish Notation
566th
ROT13
642nd
Rule 110
260th
Scrambled Sort
5th
Smith Numbers
70th
Tic-tac-toe
249th
Tower of Hanoi
880th
Transpose Sentence
464th
Trinomial Triangle
291st
United States
864th
Vampire Numbers
1,462nd
Van Eck Sequence
124th
π
4th
τ
4th
√2
463rd
𝑒
1,102nd