12 Days of Christmas
234th
99 Bottles of Beer
181st
Abundant Numbers
350th
Collatz
39th
Cubes
72nd
Diamonds
141st
Divisors
367th
Emirp Numbers
227th
Fibonacci
414th143rd
Fizz Buzz
680th
Happy Numbers (Long)
28th
Kolakoski Constant
64th
Kolakoski Sequence
99th
Look and Say
106th
Morse Encoder
82nd15th
Niven Numbers (Long)
38th
Pascal’s Triangle
166th
Prime Numbers
440th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
82nd10th
Sierpiński Triangle
38th
Tongue-twisters
189th23rd
Van Eck Sequence
72nd17th