Abundant Numbers
561
Abundant Numbers (Long)
668
Arabic to Roman
670
Arrows
388
Card Number Validation
502
Christmas Trees
681
Collatz
750
Cubes
450
Day of Week
473
Diamonds
418
Divisors
645
Emojify
361
Evil Numbers
537
Evil Numbers (Long)
532
Fibonacci
933
Fizz Buzz
973
Foo Fizz Buzz Bar
981
Forsyth–Edwards Notation
535
Happy Numbers
465
Happy Numbers (Long)
530
Hexdump
475
Intersection
615
ISBN
601
Look and Say
596
Medal Tally
388
Morse Decoder
308
Morse Encoder
333
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
467
Seven Segment
486
Spelling Numbers
307
Time Distance
610
Tongue-twisters
593
π
294
𝑒
395