12 Days of Christmas
40th
99 Bottles of Beer
38th
Abundant Numbers
45th
Arabic to Roman
23rd
15th
Arrows
brainfuck
Christmas Trees
68th
CSS Colors
19th
Cubes
47th
Diamonds
59th
Divisors
108th
Emirp Numbers
35th
Evil Numbers
138th
Fibonacci
164th
Fizz Buzz
340th
Fractions
78th
Happy Numbers
79th
Happy Numbers (Long)
56th
Kolakoski Constant
23rd
Kolakoski Sequence
54th
Leap Years
78th
Leyland Numbers
28th
Look and Say
39th
Niven Numbers
44th
Odious Numbers
114th
Ordinal Numbers
65th
Pangram Grep
79th
Pascal’s Triangle
99th
Pernicious Numbers
116th
Prime Numbers
60th
105th
Quine
1st20th1st25th67th70th29th1st55th26th19th1st33rd15th5th47th291st1st1st23rd26th1st49th49th82nd13th86th24th42nd47th41st16th
Recamán
67th
Rule 110
Sierpiński Triangle
74th
Smith Numbers
41st
Tongue-twisters
65th
United States
35th
Vampire Numbers
38th
Van Eck Sequence
52nd
λ
34th
π
66th
τ
31st
φ
28th
√2
35th
𝑒
53rd