12 Days of Christmas
404
99 Bottles of Beer
425
Abundant Numbers
522
Christmas Trees
654
Collatz
580
Divisors
536
Emirp Numbers
253
Emojify
217
Evil Numbers
370
Evil Numbers (Long)
43
Fibonacci
494
Fizz Buzz
538
Foo Fizz Buzz Bar
696
Happy Numbers
310
Leap Years
512
Look and Say
132
Niven Numbers
512
Niven Numbers (Long)
658
Odious Numbers
373
Ordinal Numbers
563
Pangram Grep
388
Pernicious Numbers
345
Prime Numbers
470
Recamán
370
Seven Segment
372
Spelling Numbers
243
Time Distance
206
Tongue-twisters
286
United States
152