12 Days of Christmas
258th
99 Bottles of Beer
209th
Abundant Numbers
359th
Collatz
39th
Cubes
80th
Diamonds
151st
Divisors
378th
Emirp Numbers
232nd
Fibonacci
427th149th
Fizz Buzz
704th
Happy Numbers (Long)
28th
Kolakoski Constant
69th
Kolakoski Sequence
107th
Look and Say
117th
Morse Encoder
89th16th
Niven Numbers (Long)
39th
Pascal’s Triangle
174th
Prime Numbers
451st
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
84th9th
Sierpiński Triangle
38th
Tongue-twisters
195th23rd
Van Eck Sequence
75th17th