12 Days of Christmas
8th
24 Game
8th
99 Bottles of Beer
127th
Arithmetic Numbers
25th
Arrows
11th
Ascending Primes
14th
ASCII Table
33rd
Catalan Numbers
33rd
Christmas Trees
73rd
Collatz
1st
Cubes
27th
Day of Week
1st
Diamonds
43rd
Evil Numbers
63rd
Evil Numbers (Long)
35th
Factorial Factorisation
8th
Farey Sequence
17th
Fibonacci
68th
Fizz Buzz
101st
Fractions
14th
Happy Numbers
32nd
Happy Numbers (Long)
16th
Inventory Sequence
18th
Kolakoski Constant
14th
Leap Years
29th
Levenshtein Distance
9th
Leyland Numbers
29th
Niven Numbers
47th
Niven Numbers (Long)
37th
Odious Numbers
63rd
Odious Numbers (Long)
36th
Pascal’s Triangle
106th41st
Pernicious Numbers
36th
Prime Numbers
80th
Prime Numbers (Long)
35th
Quine
1st
Recamán
28th
Rule 110
23rd
Sierpiński Triangle
28th
Smith Numbers
12th
Tongue-twisters
24th
United States
19th
λ
15th
π
23rd