12 Days of Christmas
884
99 Bottles of Beer
716
Abundant Numbers
543
Christmas Trees
681
Collatz
610
Divisors
552
Emirp Numbers
428
Emojify
233
Evil Numbers
385
Evil Numbers (Long)
45
Fibonacci
509
Fizz Buzz
545
Foo Fizz Buzz Bar
723
Happy Numbers
491
Leap Years
520
Look and Say
137
Niven Numbers
528
Niven Numbers (Long)
691
Odious Numbers
387
Ordinal Numbers
585
Pangram Grep
407
Pernicious Numbers
355
Prime Numbers
491
Recamán
386
Seven Segment
421
Spelling Numbers
420
Time Distance
340
Tongue-twisters
500
United States
167