Abundant Numbers
541
Abundant Numbers (Long)
595
Arabic to Roman
477
Arrows
396
Card Number Validation
397
Christmas Trees
596
Collatz
680
Cubes
356
Day of Week
377
Diamonds
351
Divisors
759
Emojify
344
Evil Numbers
538
Evil Numbers (Long)
532
Fibonacci
934
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Forsyth–Edwards Notation
387
Happy Numbers
362
Happy Numbers (Long)
452
Hexdump
323
Intersection
452
ISBN
471
Look and Say
488
Medal Tally
287
Morse Decoder
219
Morse Encoder
236
Niven Numbers
568
Niven Numbers (Long)
624
Odious Numbers
522
Ordinal Numbers
318
Pangram Grep
707
Pascal’s Triangle
548
Pernicious Numbers
471
Pernicious Numbers (Long)
526
Rock-paper-scissors-Spock-lizard
350
Seven Segment
369
Spelling Numbers
194
Time Distance
352
Tongue-twisters
342
π
263
𝑒
396