Abundant Numbers
573
Abundant Numbers (Long)
689
Arabic to Roman
689
Arrows
405
Card Number Validation
525
Christmas Trees
697
Collatz
829
Cubes
471
Day of Week
491
Diamonds
429
Divisors
671
Emojify
369
Evil Numbers
548
Evil Numbers (Long)
547
Fibonacci
947
Fizz Buzz
983
Foo Fizz Buzz Bar
1,000
Forsyth–Edwards Notation
559
Happy Numbers
477
Happy Numbers (Long)
550
Hexdump
496
Intersection
639
ISBN
623
Look and Say
617
Medal Tally
408
Morse Decoder
317
Morse Encoder
347
Niven Numbers
579
Niven Numbers (Long)
641
Odious Numbers
533
Ordinal Numbers
401
Pangram Grep
857
Pascal’s Triangle
607
Pernicious Numbers
482
Pernicious Numbers (Long)
553
Rock-paper-scissors-Spock-lizard
478
Seven Segment
519
Spelling Numbers
343
Time Distance
648
Tongue-twisters
610
π
301
𝑒
407