12 Days of Christmas
432
Abundant Numbers
445
657663
Abundant Numbers (Long)
648
Arithmetic Numbers
506
683721
Catalan Numbers
688
Christmas Trees
534
Collatz
659
648759
CSS Colors
100
Day of Week
663
Divisors
669
824793
Emojify
334
Evil Numbers
498
754580
Fibonacci
716
787536
Fizz Buzz
936
846
Foo Fizz Buzz Bar
850385712397
Leap Years
619
630
ln 2
651
Morse Encoder
144
Odious Numbers
495
723577
Pangram Grep
367
Prime Numbers
624
537
Prime Numbers (Long)
570
Recamán
504
Seven Segment
405
Tongue-twisters
320
United States
107
π
249
√2
700