12 Days of Christmas
229th
99 Bottles of Beer
178th
Abundant Numbers
342nd
Collatz
38th
Cubes
69th
Diamonds
137th
Divisors
360th
Emirp Numbers
225th
Fibonacci
393rd136th
Fizz Buzz
667th
Happy Numbers (Long)
28th
Kolakoski Constant
61st
Kolakoski Sequence
97th
Look and Say
102nd
Morse Encoder
78th15th
Niven Numbers (Long)
37th
Pascal’s Triangle
162nd
Prime Numbers
431st
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
81st10th
Sierpiński Triangle
36th
Tongue-twisters
186th23rd
Van Eck Sequence
71st17th