12 Days of Christmas
235th
99 Bottles of Beer
193rd
Abundant Numbers
327th
Collatz
38th
Cubes
68th
Diamonds
132nd
Divisors
354th
Emirp Numbers
215th
Fibonacci
374th135th
Fizz Buzz
649th
Happy Numbers (Long)
26th
Kolakoski Constant
57th
Kolakoski Sequence
93rd
Look and Say
98th
Morse Encoder
80th15th
Niven Numbers (Long)
37th
Pascal’s Triangle
155th
Prime Numbers
414th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
82nd9th
Sierpiński Triangle
35th
Tongue-twisters
176th23rd
Van Eck Sequence
65th16th