12 Days of Christmas
8th
24 Game
8th
99 Bottles of Beer
119th
Arrows
11th
Ascending Primes
12th
ASCII Table
30th
Catalan Numbers
28th
Christmas Trees
71st
Cubes
27th
Day of Week
1st
Diamonds
40th
Evil Numbers
58th
Evil Numbers (Long)
33rd
Factorial Factorisation
8th
Farey Sequence
16th
Fibonacci
56th
Fizz Buzz
97th
Fractions
14th
Happy Numbers
29th
Happy Numbers (Long)
15th
Inventory Sequence
16th
Kolakoski Constant
14th
Leap Years
21st
Levenshtein Distance
9th
Leyland Numbers
27th
Niven Numbers
42nd
Niven Numbers (Long)
34th
Odious Numbers
57th
Odious Numbers (Long)
33rd
Pascal’s Triangle
85th39th
Pernicious Numbers
32nd
Prime Numbers
72nd
Prime Numbers (Long)
29th
Quine
1st
Recamán
26th
Rule 110
22nd
Sierpiński Triangle
26th
Smith Numbers
10th
Tongue-twisters
24th
United States
19th
λ
14th
π
19th