12 Days of Christmas
404
99 Bottles of Beer
425
Abundant Numbers
513
Christmas Trees
645
Collatz
571
Divisors
519
Emirp Numbers
248
Emojify
213
Evil Numbers
366
Evil Numbers (Long)
42
Fibonacci
488
Fizz Buzz
535
Foo Fizz Buzz Bar
694
Happy Numbers
304
Leap Years
505
Look and Say
128
Niven Numbers
498
Niven Numbers (Long)
636
Odious Numbers
367
Ordinal Numbers
563
Pangram Grep
377
Pernicious Numbers
337
Prime Numbers
467
Recamán
359
Seven Segment
364
Spelling Numbers
243
Time Distance
206
Tongue-twisters
286
United States
152