12 Days of Christmas
43rd
99 Bottles of Beer
38th
Abundant Numbers
46th
Arabic to Roman
25th
15th
Arrows
brainfuck
Christmas Trees
70th
CSS Colors
19th
Cubes
50th
Diamonds
60th
Divisors
113th
Emirp Numbers
37th
Evil Numbers
139th
Fibonacci
166th
Fizz Buzz
348th
Fractions
82nd
Happy Numbers
80th
Happy Numbers (Long)
56th
Kolakoski Constant
25th
Kolakoski Sequence
55th
Leap Years
82nd
Leyland Numbers
28th
Look and Say
40th
Niven Numbers
45th
Odious Numbers
114th
Ordinal Numbers
67th
Pangram Grep
79th
Pascal’s Triangle
101st
Pernicious Numbers
123rd
Prime Numbers
61st
108th
Quine
1st21st1st26th68th71st30th1st56th26th19th1st34th16th1st50th303rd1st1st24th28th1st49th51st88th13th87th27th43rd47th42nd5th
Recamán
69th
Rule 110
Sierpiński Triangle
73rd
Smith Numbers
43rd
Tongue-twisters
67th
United States
35th
Vampire Numbers
40th
Van Eck Sequence
53rd
λ
35th
π
68th
τ
31st
φ
29th
√2
34th
𝑒
55th