12 Days of Christmas
421
99 Bottles of Beer
544
Abundant Numbers
222
Collatz
711
Cubes
410
Diamonds
344
Divisors
721
Emirp Numbers
324
Fibonacci
767
586
Fizz Buzz
949
Happy Numbers (Long)
127
Kolakoski Constant
71
Kolakoski Sequence
454
Look and Say
625
Morse Encoder
282
253
Niven Numbers (Long)
459
Pascal’s Triangle
559
Prime Numbers
350
Repeating Decimals
570
Rock-paper-scissors-Spock-lizard
543
413
Sierpiński Triangle
123
Tongue-twisters
341
633
Van Eck Sequence
558
325