12 Days of Christmas
81st
99 Bottles of Beer
744th
Abundant Numbers
88th34th
65th1,262nd412th
Abundant Numbers (Long)
31st
237th
Arithmetic Numbers
290th
Ascending Primes
6th
ASCII Table
696th
Calendar
203rd
Card Number Validation
371st
Catalan Numbers
26th
Collatz
798th
Diamonds
334th
Divisors
492nd1st
28th
Emirp Numbers
684th5th
Emirp Numbers (Long)
9th
Evil Numbers
1,267th
Evil Numbers (Long)
845th
Factorial Factorisation
160th
Farey Sequence
52nd
Fibonacci
2,272nd
2,475th4,113th459th373rd
1,991st
Fizz Buzz
3,738th4,573rd
Foo Fizz Buzz Bar
1,456th
Forsyth–Edwards Notation
27th
Fractions
423rd
Game of Life
79th
Gijswijt’s Sequence
219th
Happy Numbers
1,013th
608th
559th
Happy Numbers (Long)
612th
154th
ISBN
129th
741st
Kolakoski Sequence
29th
Leap Years
1,186th
Leyland Numbers
155th
Look and Say
521st
Niven Numbers
1,650th
1,999th1,589th717th
1,535th
Niven Numbers (Long)
1,473rd305th75th
Number Spiral
20th
Odious Numbers
405th
Odious Numbers (Long)
293rd
PalindromemordnilaP
52nd
72nd
Pangram Grep
993rd
Pascal’s Triangle
1st
Pernicious Numbers
107th
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
639th
721st
3,867th238th
747th
Reverse Polish Notation
542nd
ROT13
577th
Rule 110
250th
Scrambled Sort
5th
Smith Numbers
64th
Tic-tac-toe
228th
Tower of Hanoi
705th
Transpose Sentence
426th
Trinomial Triangle
262nd
United States
842nd
Vampire Numbers
1,380th
Van Eck Sequence
114th
π
4th
τ
4th
√2
444th
𝑒
1,065th