Abundant Numbers
561
Abundant Numbers (Long)
657
Arabic to Roman
670
Arrows
389
Card Number Validation
502
Christmas Trees
681
Collatz
750
Cubes
454
Day of Week
473
Diamonds
418
Divisors
657
Emojify
361
Evil Numbers
537
Evil Numbers (Long)
532
Fibonacci
932
Fizz Buzz
973
Foo Fizz Buzz Bar
982
Forsyth–Edwards Notation
534
Happy Numbers
465
Happy Numbers (Long)
530
Hexdump
479
Intersection
614
ISBN
601
Look and Say
596
Medal Tally
388
Morse Decoder
310
Morse Encoder
334
Niven Numbers
565
Niven Numbers (Long)
620
Odious Numbers
521
Ordinal Numbers
385
Pangram Grep
830
Pascal’s Triangle
590
Pernicious Numbers
469
Pernicious Numbers (Long)
533
Rock-paper-scissors-Spock-lizard
468
Seven Segment
495
Spelling Numbers
312
Time Distance
631
Tongue-twisters
604
π
294
𝑒
395