12 Days of Christmas
786
99 Bottles of Beer
755
Abundant Numbers
217
Collatz
673
Cubes
514
Diamonds
331
Divisors
705
Emirp Numbers
356
Fibonacci
753566
Fizz Buzz
941
Happy Numbers (Long)
117
Kolakoski Constant
68
Kolakoski Sequence
431
Look and Say
602
Morse Encoder
338277
Niven Numbers (Long)
432
Pascal’s Triangle
537
Prime Numbers
339
Repeating Decimals
506
Rock-paper-scissors-Spock-lizard
589407
Sierpiński Triangle
87
Tongue-twisters
505618
Van Eck Sequence
531302