12 Days of Christmas
415
99 Bottles of Beer
534
Abundant Numbers
216
Collatz
668
Cubes
395
Diamonds
329
Divisors
705
Emirp Numbers
314
Fibonacci
752
566
Fizz Buzz
938
Happy Numbers (Long)
116
Kolakoski Constant
67
Kolakoski Sequence
431
Look and Say
602
Morse Encoder
271
236
Niven Numbers (Long)
429
Pascal’s Triangle
536
Prime Numbers
339
Repeating Decimals
503
Rock-paper-scissors-Spock-lizard
525
377
Sierpiński Triangle
118
Tongue-twisters
334
595
Van Eck Sequence
531
302