12 Days of Christmas
426
99 Bottles of Beer
709
Abundant Numbers
785
Abundant Numbers (Long)
822
Arabic to Roman
449
Arithmetic Numbers
830
Arrows
613
ASCII Table
582
Billiards
496
brainfuck
536
Card Number Validation
535
Catalan Numbers
903
Catalan’s Constant
281
Christmas Trees
630
Collatz
867
CSS Colors
574
Cubes
257
Diamonds
532
Divisors
805
Emirp Numbers
363
Emirp Numbers (Long)
434
Emojify
444
Evil Numbers
640
Evil Numbers (Long)
652
Farey Sequence
635
Fibonacci
948
Fizz Buzz
936
Foo Fizz Buzz Bar
841
Forsyth–Edwards Notation
583
Fractions
611
Happy Numbers
620
Happy Numbers (Long)
574
Intersection
723
Inventory Sequence
641
ISBN
687
Jacobi Symbol
580
Kolakoski Constant
452
Kolakoski Sequence
403
Leap Years
813
Levenshtein Distance
494
Leyland Numbers
606
ln 2
777
Look and Say
584
Lucky Numbers
625
Lucky Tickets
373
Morse Decoder
501
Morse Encoder
345
Niven Numbers
964
Niven Numbers (Long)
892
Number Spiral
421
Odious Numbers
648
Odious Numbers (Long)
659
Ordinal Numbers
747
Pangram Grep
546
Pascal’s Triangle
545
Pernicious Numbers
509
Pernicious Numbers (Long)
617
Prime Numbers
895
Prime Numbers (Long)
698
Proximity Grid
415
Quine
864
Recamán
547
Reverse Polish Notation
789
Rijndael S-box
465
Rock-paper-scissors-Spock-lizard
337
Roman to Arabic
591
Rule 110
429
Seven Segment
526
Sierpiński Triangle
405
Smith Numbers
524
Spelling Numbers
424
Tongue-twisters
966
United States
220
Vampire Numbers
83
Van Eck Sequence
713
λ
449
π
784
τ
769
φ
417
√2
457
𝑒
429