12 Days of Christmas
726
99 Bottles of Beer
575
Abundant Numbers
543
Abundant Numbers (Long)
653
Arabic to Roman
255
Arithmetic Numbers
737
Ascending Primes
380
Card Number Validation
342
Catalan Numbers
404
Christmas Trees
660
Collatz
739
Divisors
877
Emirp Numbers
476
Emirp Numbers (Long)
528
Evil Numbers
465
Evil Numbers (Long)
466
Fibonacci
507
Fizz Buzz
906
Foo Fizz Buzz Bar
874
Happy Numbers
446
Happy Numbers (Long)
514
Niven Numbers
657
Niven Numbers (Long)
725
Prime Numbers
526
Prime Numbers (Long)
564
Rock-paper-scissors-Spock-lizard
399
Spelling Numbers
379
π
389
τ
374
𝑒
356