12 Days of Christmas
426
99 Bottles of Beer
479
Abundant Numbers
621
Arabic to Roman
654
Arithmetic Numbers
809
Arrows
ASCII Table
672
Catalan Numbers
502
Christmas Trees
474
Collatz
Cubes
561
Diamonds
371
Divisors
797
Emojify
Evil Numbers
896
Evil Numbers (Long)
901
Fibonacci
847
Fizz Buzz
777
Foo Fizz Buzz Bar
684
Happy Numbers
Intersection
573
ISBN
595
Kolakoski Sequence
433
Leap Years
853751862692628641630512660743392583827815807
Morse Encoder
293
Niven Numbers
549
Niven Numbers (Long)
622
Number Spiral
Odious Numbers
514
Ordinal Numbers
611
Pangram Grep
530
Pascal’s Triangle
499
Pernicious Numbers
468
Prime Numbers
569
QR Decoder
471
Rule 110
337
Seven Segment
Sierpiński Triangle
396
Star Wars Opening Crawl
496
Tongue-twisters
397
Vampire Numbers
121
Zodiac Signs
470
π
288