12 Days of Christmas
334
99 Bottles of Beer
341
Abundant Numbers
513
Abundant Numbers (Long)
565
Arabic to Roman
177
Arithmetic Numbers
611
Ascending Primes
320
Card Number Validation
268
Catalan Numbers
393
Christmas Trees
565
Collatz
607
Divisors
818
Emirp Numbers
378
Emirp Numbers (Long)
425
Evil Numbers
457
Evil Numbers (Long)
454
Fibonacci
500
Fizz Buzz
822
Foo Fizz Buzz Bar
685
Happy Numbers
339
Happy Numbers (Long)
424
Niven Numbers
644
Niven Numbers (Long)
707
Prime Numbers
516
Prime Numbers (Long)
549
Rock-paper-scissors-Spock-lizard
303
Spelling Numbers
215
π
340
τ
325
𝑒
347