12 Days of Christmas
21st
27th
68th360th
99 Bottles of Beer
31st
333rd
Abundant Numbers
29th
320th
Arabic to Roman
310th
Arrows
4th
brainfuck
210th
Christmas Trees
44th
357th
Cubes
10th
355th
Diamonds
28th
273rd
Divisors
44th32nd
12th30th
127th272nd49th
18th
92nd120th
154th
Emirp Numbers
25th
371st
Evil Numbers
31st
410th
Fibonacci
47th45th
216th
906th
Fizz Buzz
106th96th
26th
412th86th
242nd910th
Foo Fizz Buzz Bar
10th
Fractions
470th
Happy Numbers
17th24th
470th
Intersection
10th
Kolakoski Constant
10th
Kolakoski Sequence
30th
Leap Years
41st27th167th14th18th
61st74th37th
14th47th39th328th50th
Leyland Numbers
10th
323rd
Look and Say
26th
Morse Decoder
153rd
Niven Numbers
31st
535th
Odious Numbers
30th
309th
Ordinal Numbers
Pangram Grep
291st
Pascal’s Triangle
17th
444th
Pernicious Numbers
31st
204th
Prime Numbers
41st30th
41st
509th
Prime Numbers (Long)
31st
247th
Quine
75th
Recamán
20th
Rock-paper-scissors-Spock-lizard
82nd
Seven Segment
218th
Sierpiński Triangle
9th
237th
Sudoku
111th
Tongue-twisters
23rd
United States
7th
142nd
Vampire Numbers
10th
Van Eck Sequence
13th
λ
19th
76th
π
11th19th94th9th40th33rd
218th65th20th12th71st27th308th37th52nd
τ
16th
8th
215th
φ
24th
9th
√2
18th
8th
𝑒
19th
9th