12 Days of Christmas
223rd
99 Bottles of Beer
177th
Abundant Numbers
332nd
Collatz
38th
Cubes
66th
Diamonds
131st
Divisors
355th
Emirp Numbers
219th
Fibonacci
382nd135th
Fizz Buzz
658th
Happy Numbers (Long)
27th
Kolakoski Constant
57th
Kolakoski Sequence
95th
Look and Say
101st
Morse Encoder
77th15th
Niven Numbers (Long)
37th
Pascal’s Triangle
156th
Prime Numbers
420th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
81st10th
Sierpiński Triangle
36th
Tongue-twisters
177th23rd
Van Eck Sequence
68th16th