12 Days of Christmas
202nd
99 Bottles of Beer
169th
Abundant Numbers
309th
Collatz
Cubes
60th
Diamonds
123rd
Divisors
336th
Emirp Numbers
201st
Fibonacci
359th
127th
Fizz Buzz
617th
Happy Numbers (Long)
Kolakoski Constant
53rd
Kolakoski Sequence
85th
Look and Say
88th
Morse Encoder
73rd
14th
Niven Numbers (Long)
Pascal’s Triangle
147th
Prime Numbers
401st
Repeating Decimals
Rock-paper-scissors-Spock-lizard
73rd
8th
Sierpiński Triangle
Tongue-twisters
163rd
20th
Van Eck Sequence
61st
15th