12 Days of Christmas
21st
27th
68th308th
99 Bottles of Beer
31st
293rd
Abundant Numbers
29th
281st
Arabic to Roman
301st
Arrows
4th
brainfuck
189th
Christmas Trees
44th
339th
Cubes
11th
362nd
Diamonds
29th
253rd
Divisors
45th33rd
12th30th
128th273rd49th
18th
92nd1st
155th
Emirp Numbers
25th
350th
Evil Numbers
32nd
415th
Fibonacci
48th46th
217th
915th
Fizz Buzz
108th97th
27th
412th86th
243rd888th
Foo Fizz Buzz Bar
10th
Fractions
470th
Happy Numbers
17th24th
462nd
Intersection
10th
Kolakoski Constant
10th
Kolakoski Sequence
30th
Leap Years
42nd27th168th14th18th
62nd74th37th
14th48th39th323rd49th
Leyland Numbers
10th
324th
Look and Say
26th
Morse Decoder
137th
Niven Numbers
31st
536th
Odious Numbers
30th
312th
Ordinal Numbers
Pangram Grep
278th
Pascal’s Triangle
17th
442nd
Pernicious Numbers
31st
205th
Prime Numbers
42nd30th
42nd
490th
Prime Numbers (Long)
31st
226th
Quine
78th
Recamán
20th
Rock-paper-scissors-Spock-lizard
62nd
Seven Segment
202nd
Sierpiński Triangle
9th
238th
Sudoku
106th
Tongue-twisters
23rd
United States
7th
121st
Vampire Numbers
10th
Van Eck Sequence
13th
λ
19th
58th
π
11th19th94th8th40th33rd
215th65th20th12th72nd26th291st37th51st
τ
16th
7th
207th
φ
24th
8th
√2
18th
7th
𝑒
19th
8th