Abundant Numbers
551
Abundant Numbers (Long)
611
Arabic to Roman
489
Arrows
407
Card Number Validation
424
Christmas Trees
607
Collatz
695
Cubes
362
Day of Week
393
Diamonds
359
Divisors
771
Emojify
350
Evil Numbers
548
Evil Numbers (Long)
547
Fibonacci
947
Fizz Buzz
898
Foo Fizz Buzz Bar
795
Forsyth–Edwards Notation
398
Happy Numbers
369
Happy Numbers (Long)
466
Hexdump
333
Intersection
467
ISBN
486
Look and Say
500
Medal Tally
296
Morse Decoder
223
Morse Encoder
241
Niven Numbers
579
Niven Numbers (Long)
641
Odious Numbers
533
Ordinal Numbers
327
Pangram Grep
726
Pascal’s Triangle
562
Pernicious Numbers
482
Pernicious Numbers (Long)
543
Rock-paper-scissors-Spock-lizard
356
Seven Segment
379
Spelling Numbers
201
Time Distance
360
Tongue-twisters
339
π
269
𝑒
407