12 Days of Christmas
223rd
99 Bottles of Beer
176th
Abundant Numbers
331st
Collatz
38th
Cubes
65th
Diamonds
130th
Divisors
354th
Emirp Numbers
217th
Fibonacci
380th135th
Fizz Buzz
658th
Happy Numbers (Long)
26th
Kolakoski Constant
57th
Kolakoski Sequence
95th
Look and Say
100th
Morse Encoder
77th15th
Niven Numbers (Long)
37th
Pascal’s Triangle
155th
Prime Numbers
419th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
80th10th
Sierpiński Triangle
35th
Tongue-twisters
177th23rd
Van Eck Sequence
66th16th