12 Days of Christmas
37th
99 Bottles of Beer
38th
Abundant Numbers
49th
Arabic to Roman
24th
20th
Arrows
brainfuck
Christmas Trees
67th
CSS Colors
19th
Cubes
47th
Diamonds
57th
Divisors
105th
Emirp Numbers
34th
Evil Numbers
136th
Fibonacci
162nd
Fizz Buzz
332nd
Fractions
75th
Happy Numbers
78th
Happy Numbers (Long)
55th
Kolakoski Constant
23rd
Kolakoski Sequence
52nd
Leap Years
79th
Leyland Numbers
27th
Look and Say
37th
Niven Numbers
46th
Odious Numbers
110th
Ordinal Numbers
64th
Pangram Grep
79th
Pascal’s Triangle
98th
Pernicious Numbers
111th
Prime Numbers
61st
101st
Quine
1st1st24th63rd67th29th1st55th26th19th1st33rd14th5th39th289th1st1st22nd26th1st49th47th72nd14th85th19th39th47th41st15th
Recamán
64th
Rule 110
Sierpiński Triangle
73rd
Smith Numbers
39th
Tongue-twisters
65th
United States
35th
Vampire Numbers
38th
Van Eck Sequence
50th
λ
35th
π
66th
τ
31st
φ
28th
√2
33rd
𝑒
52nd