12 Days of Christmas
40th
99 Bottles of Beer
38th
Abundant Numbers
45th
Arabic to Roman
23rd
15th
Arrows
brainfuck
Christmas Trees
67th
CSS Colors
19th
Cubes
47th
Diamonds
58th
Divisors
107th
Emirp Numbers
35th
Evil Numbers
138th
Fibonacci
162nd
Fizz Buzz
340th
Fractions
78th
Happy Numbers
78th
Happy Numbers (Long)
56th
Kolakoski Constant
23rd
Kolakoski Sequence
53rd
Leap Years
78th
Leyland Numbers
28th
Look and Say
39th
Niven Numbers
44th
Odious Numbers
114th
Ordinal Numbers
64th
Pangram Grep
79th
Pascal’s Triangle
99th
Pernicious Numbers
116th
Prime Numbers
59th
105th
Quine
1st20th1st25th67th69th29th1st56th26th19th1st33rd15th5th43rd290th1st1st23rd26th1st49th48th81st13th86th25th40th47th42nd15th
Recamán
66th
Rule 110
Sierpiński Triangle
73rd
Smith Numbers
41st
Tongue-twisters
65th
United States
35th
Vampire Numbers
38th
Van Eck Sequence
52nd
λ
34th
π
65th
τ
30th
φ
28th
√2
34th
𝑒
53rd