12 Days of Christmas
40th
99 Bottles of Beer
38th
Abundant Numbers
44th
Arabic to Roman
23rd
15th
Arrows
brainfuck
Christmas Trees
68th
CSS Colors
19th
Cubes
47th
Diamonds
59th
Divisors
107th
Emirp Numbers
35th
Evil Numbers
138th
Fibonacci
162nd
Fizz Buzz
340th
Fractions
77th
Happy Numbers
78th
Happy Numbers (Long)
56th
Kolakoski Constant
23rd
Kolakoski Sequence
52nd
Leap Years
75th
Leyland Numbers
29th
Look and Say
38th
Niven Numbers
44th
Odious Numbers
113th
Ordinal Numbers
65th
Pangram Grep
79th
Pascal’s Triangle
99th
Pernicious Numbers
115th
Prime Numbers
59th
104th
Quine
1st20th1st25th66th68th29th1st56th26th19th1st33rd15th5th41st290th1st1st23rd26th1st49th48th78th13th86th23rd40th47th41st15th
Recamán
65th
Rule 110
Sierpiński Triangle
73rd
Smith Numbers
40th
Tongue-twisters
64th
United States
36th
Vampire Numbers
39th
Van Eck Sequence
51st
λ
34th
π
65th
τ
30th
φ
28th
√2
34th
𝑒
51st