12 Days of Christmas
806
99 Bottles of Beer
646
Abundant Numbers
793
Abundant Numbers (Long)
834
Arabic to Roman
475
Arithmetic Numbers
840
Arrows
441
ASCII Table
689
Billiards
597
brainfuck
650
Card Number Validation
536
Catalan Numbers
910
Catalan’s Constant
284
Christmas Trees
636
Collatz
890
CSS Colors
630
Cubes
358
Diamonds
539
Divisors
812
Emirp Numbers
414
Emirp Numbers (Long)
437
Emojify
444
Evil Numbers
642
Evil Numbers (Long)
655
Farey Sequence
633
Fibonacci
952
Fizz Buzz
941
Foo Fizz Buzz Bar
850
Forsyth–Edwards Notation
598
Fractions
610
Happy Numbers
758
Happy Numbers (Long)
581
Intersection
809
Inventory Sequence
647
ISBN
694
Jacobi Symbol
579
Kolakoski Constant
459
Kolakoski Sequence
405
Leap Years
837
Levenshtein Distance
569
Leyland Numbers
614
ln 2
784
Look and Say
590
Lucky Numbers
633
Lucky Tickets
383
Morse Decoder
629
Morse Encoder
403
Niven Numbers
976
Niven Numbers (Long)
907
Number Spiral
423
Odious Numbers
652
Odious Numbers (Long)
664
Ordinal Numbers
752
Pangram Grep
551
Pascal’s Triangle
548
Pernicious Numbers
514
Pernicious Numbers (Long)
629
Prime Numbers
896
Prime Numbers (Long)
700
Proximity Grid
496
Quine
866
Recamán
556
Reverse Polish Notation
785
Rijndael S-box
600
Rock-paper-scissors-Spock-lizard
309
Roman to Arabic
598
Rule 110
440
Seven Segment
601
Sierpiński Triangle
423
Smith Numbers
525
Spelling Numbers
693
Tongue-twisters
872
United States
155
Vampire Numbers
95
Van Eck Sequence
717
λ
656
π
786
τ
773
φ
421
√2
464
𝑒
434