12 Days of Christmas
243rd
99 Bottles of Beer
199th
Abundant Numbers
343rd
Collatz
39th
Cubes
74th
Diamonds
139th
Divisors
361st
Emirp Numbers
226th
Fibonacci
397th140th
Fizz Buzz
672nd
Happy Numbers (Long)
28th
Kolakoski Constant
61st
Kolakoski Sequence
97th
Look and Say
104th
Morse Encoder
83rd15th
Niven Numbers (Long)
38th
Pascal’s Triangle
162nd
Prime Numbers
432nd
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
83rd9th
Sierpiński Triangle
38th
Tongue-twisters
187th23rd
Van Eck Sequence
71st17th