12 Days of Christmas
806
99 Bottles of Beer
646
Abundant Numbers
794
Abundant Numbers (Long)
836
Arabic to Roman
475
Arithmetic Numbers
843
Arrows
442
ASCII Table
690
Billiards
602
brainfuck
652
Card Number Validation
541
Catalan Numbers
912
Catalan’s Constant
285
Christmas Trees
636
Collatz
892
CSS Colors
632
Cubes
359
Diamonds
540
Divisors
813
Emirp Numbers
415
Emirp Numbers (Long)
439
Emojify
445
Evil Numbers
642
Evil Numbers (Long)
656
Farey Sequence
634
Fibonacci
952
Fizz Buzz
941
Foo Fizz Buzz Bar
851
Forsyth–Edwards Notation
600
Fractions
612
Happy Numbers
759
Happy Numbers (Long)
582
Intersection
812
Inventory Sequence
650
ISBN
696
Jacobi Symbol
581
Kolakoski Constant
460
Kolakoski Sequence
405
Leap Years
837
Levenshtein Distance
571
Leyland Numbers
615
ln 2
788
Look and Say
591
Lucky Numbers
635
Lucky Tickets
386
Morse Decoder
630
Morse Encoder
404
Niven Numbers
977
Niven Numbers (Long)
910
Number Spiral
424
Odious Numbers
652
Odious Numbers (Long)
666
Ordinal Numbers
753
Pangram Grep
552
Pascal’s Triangle
549
Pernicious Numbers
514
Pernicious Numbers (Long)
631
Prime Numbers
897
Prime Numbers (Long)
702
Proximity Grid
498
Quine
862
Recamán
556
Reverse Polish Notation
788
Rijndael S-box
602
Rock-paper-scissors-Spock-lizard
309
Roman to Arabic
599
Rule 110
441
Seven Segment
602
Sierpiński Triangle
424
Smith Numbers
527
Spelling Numbers
693
Tongue-twisters
866
United States
155
Vampire Numbers
96
Van Eck Sequence
719
λ
657
π
787
τ
774
φ
422
√2
465
𝑒
435