12 Days of Christmas
236th
99 Bottles of Beer
195th
Abundant Numbers
332nd
Collatz
38th
Cubes
70th
Diamonds
133rd
Divisors
355th
Emirp Numbers
221st
Fibonacci
382nd135th
Fizz Buzz
658th
Happy Numbers (Long)
27th
Kolakoski Constant
57th
Kolakoski Sequence
95th
Look and Say
102nd
Morse Encoder
81st15th
Niven Numbers (Long)
37th
Pascal’s Triangle
156th
Prime Numbers
420th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
82nd9th
Sierpiński Triangle
36th
Tongue-twisters
177th23rd
Van Eck Sequence
68th16th