12 Days of Christmas
400
Abundant Numbers
735651
Abundant Numbers (Long)
780662
Arithmetic Numbers
683
Catalan Numbers
680
Christmas Trees
506
Collatz
716
Divisors
844
Emirp Numbers
397
Emirp Numbers (Long)
453
Evil Numbers
818
Evil Numbers (Long)
799
Fibonacci
935
Fizz Buzz
862
Foo Fizz Buzz Bar
699722
Happy Numbers
352
Happy Numbers (Long)
439
Inventory Sequence
623
Kolakoski Constant
60
Kolakoski Sequence
328
Leap Years
847
Look and Say
518
Lucky Numbers
421
Niven Numbers
860938
Niven Numbers (Long)
659
Odious Numbers
784
Odious Numbers (Long)
767
Ordinal Numbers
466
Pangram Grep
639
Pascal’s Triangle
668
Pernicious Numbers
439
Pernicious Numbers (Long)
539
Prime Numbers
892
Prime Numbers (Long)
952
Recamán
690
Sierpiński Triangle
535
Tongue-twisters
398331
Van Eck Sequence
595