12 Days of Christmas
409
99 Bottles of Beer
433
Abundant Numbers
543
Christmas Trees
681
Collatz
610
Divisors
552
Emirp Numbers
261
Emojify
226
Evil Numbers
385
Evil Numbers (Long)
45
Fibonacci
509
Fizz Buzz
545
Foo Fizz Buzz Bar
723
Happy Numbers
321
Leap Years
520
Look and Say
139
Niven Numbers
528
Niven Numbers (Long)
691
Odious Numbers
387
Ordinal Numbers
596
Pangram Grep
407
Pernicious Numbers
355
Prime Numbers
491
Recamán
386
Seven Segment
396
Spelling Numbers
271
Time Distance
222
Tongue-twisters
291
United States
167