12 Days of Christmas
417
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
497
brainfuck
536
Card Number Validation
536
Catalan Numbers
903
Catalan’s Constant
280
Christmas Trees
630
Collatz
868
CSS Colors
574
Cubes
257
Diamonds
533
Divisors
805
Emirp Numbers
363
Emirp Numbers (Long)
434
Emojify
444
Evil Numbers
640
Evil Numbers (Long)
652
Farey Sequence
575
Fibonacci
948
Fizz Buzz
936
Foo Fizz Buzz Bar
841
Forsyth–Edwards Notation
583
Fractions
612
Happy Numbers
620
Happy Numbers (Long)
574
Intersection
724
Inventory Sequence
641
ISBN
688
Jacobi Symbol
580
Kolakoski Constant
452
Kolakoski Sequence
404
Leap Years
813
Levenshtein Distance
495
Leyland Numbers
606
ln 2
777
Look and Say
584
Lucky Numbers
626
Lucky Tickets
373
Morse Decoder
471
Morse Encoder
345
Niven Numbers
964
Niven Numbers (Long)
893
Number Spiral
422
Odious Numbers
648
Odious Numbers (Long)
660
Ordinal Numbers
747
Pangram Grep
546
Pascal’s Triangle
546
Pernicious Numbers
509
Pernicious Numbers (Long)
617
Prime Numbers
895
Prime Numbers (Long)
698
Proximity Grid
415
Quine
864
Recamán
547
Reverse Polish Notation
790
Rijndael S-box
453
Rock-paper-scissors-Spock-lizard
337
Roman to Arabic
591
Rule 110
429
Seven Segment
521
Sierpiński Triangle
404
Smith Numbers
487
Spelling Numbers
425
Tongue-twisters
965
United States
220
Vampire Numbers
83
Van Eck Sequence
713
λ
438
π
784
τ
768
φ
417
√2
457
𝑒
429