12 Days of Christmas
336
99 Bottles of Beer
344
Abundant Numbers
521
Abundant Numbers (Long)
579
Arabic to Roman
181
Arithmetic Numbers
626
Ascending Primes
331
Card Number Validation
278
Catalan Numbers
404
Christmas Trees
574
Collatz
620
Divisors
831
Emirp Numbers
385
Emirp Numbers (Long)
438
Evil Numbers
465
Evil Numbers (Long)
466
Fibonacci
507
Fizz Buzz
828
Foo Fizz Buzz Bar
695
Happy Numbers
345
Happy Numbers (Long)
436
Niven Numbers
657
Niven Numbers (Long)
725
Prime Numbers
526
Prime Numbers (Long)
564
Rock-paper-scissors-Spock-lizard
307
Spelling Numbers
222
π
347
τ
333
𝑒
356