12 Days of Christmas
855
99 Bottles of Beer
714
Abundant Numbers
780
767
CSS Colors
405
Cubes
475
Diamonds
380
Divisors
799
904
Emirp Numbers
536
Emojify
547
Evil Numbers
467
755
Fibonacci
770
888
Fizz Buzz
746
291
957
387
Happy Numbers
571
552
Leap Years
873
Morse Decoder
423
Odious Numbers
551
642
Ordinal Numbers
876
Pangram Grep
579
Pascal’s Triangle
616
Pernicious Numbers
322
Poker
485
Prime Numbers
378
248
489
739
220
492
454
812
490
180
729
777
387
376
502
637
521
691
399
613
289
504
666
423
688
Roman to Arabic
649
Rule 110
547
Spelling Numbers
744
489
√2
411