12 Days of Christmas
806
99 Bottles of Beer
641
Abundant Numbers
785
Abundant Numbers (Long)
822
Arabic to Roman
474
Arithmetic Numbers
830
Arrows
439
ASCII Table
682
Billiards
587
brainfuck
652
Card Number Validation
535
Catalan Numbers
903
Catalan’s Constant
281
Christmas Trees
630
Collatz
867
CSS Colors
632
Cubes
321
Diamonds
532
Divisors
805
Emirp Numbers
412
Emirp Numbers (Long)
434
Emojify
444
Evil Numbers
640
Evil Numbers (Long)
653
Farey Sequence
635
Fibonacci
948
Fizz Buzz
937
Foo Fizz Buzz Bar
845
Forsyth–Edwards Notation
587
Fractions
613
Happy Numbers
752
Happy Numbers (Long)
574
Intersection
755
Inventory Sequence
641
ISBN
687
Jacobi Symbol
582
Kolakoski Constant
452
Kolakoski Sequence
403
Leap Years
814
Levenshtein Distance
566
Leyland Numbers
606
ln 2
777
Look and Say
583
Lucky Numbers
627
Lucky Tickets
382
Morse Decoder
624
Morse Encoder
396
Niven Numbers
964
Niven Numbers (Long)
892
Number Spiral
421
Odious Numbers
648
Odious Numbers (Long)
659
Ordinal Numbers
750
Pangram Grep
546
Pascal’s Triangle
545
Pernicious Numbers
509
Pernicious Numbers (Long)
619
Prime Numbers
895
Prime Numbers (Long)
698
Proximity Grid
488
Quine
864
Recamán
547
Reverse Polish Notation
789
Rijndael S-box
561
Rock-paper-scissors-Spock-lizard
305
Roman to Arabic
593
Rule 110
433
Seven Segment
596
Sierpiński Triangle
416
Smith Numbers
526
Spelling Numbers
682
Tongue-twisters
864
United States
153
Vampire Numbers
92
Van Eck Sequence
713
λ
609
π
784
τ
768
φ
417
√2
457
𝑒
428