12 Days of Christmas
874
99 Bottles of Beer
708
Abundant Numbers
526
Christmas Trees
660
Collatz
584
Divisors
536
Emirp Numbers
403
Emojify
231
Evil Numbers
369
Evil Numbers (Long)
42
Fibonacci
493
Fizz Buzz
542
Foo Fizz Buzz Bar
744
Happy Numbers
467
Leap Years
513
Look and Say
131
Niven Numbers
517
Niven Numbers (Long)
663
Odious Numbers
373
Ordinal Numbers
569
Pangram Grep
389
Pernicious Numbers
345
Prime Numbers
469
Recamán
371
Seven Segment
415
Spelling Numbers
446
Time Distance
337
Tongue-twisters
493
United States
162