12 Days of Christmas
214th
99 Bottles of Beer
172nd
Abundant Numbers
324th
Collatz
38th
Cubes
63rd
Diamonds
126th
Divisors
347th
Emirp Numbers
209th
Fibonacci
370th134th
Fizz Buzz
635th
Happy Numbers (Long)
26th
Kolakoski Constant
56th
Kolakoski Sequence
92nd
Look and Say
93rd
Morse Encoder
76th15th
Niven Numbers (Long)
36th
Pascal’s Triangle
151st
Prime Numbers
408th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
77th9th
Sierpiński Triangle
35th
Tongue-twisters
170th23rd
Van Eck Sequence
64th16th