12 Days of Christmas
800
24 Game
484
99 Bottles of Beer
724
Abundant Numbers
734
Abundant Numbers (Long)
871
Alphabetic Numbers
305
Arabic to Roman
645
Arithmetic Numbers
893
Arrows
398
Ascending Primes
330
ASCII Table
674
brainfuck
394
Calendar
695
Card Number Validation
512
Catalan Numbers
688
Catalan’s Constant
69
Christmas Trees
854
Collatz
810
CSS Colors
227
Cubes
573
Day of Week
889
Diamonds
665
Divisors
514
979
Emirp Numbers
554
Emirp Numbers (Long)
602
Emojify
293
Evil Numbers
871620
Evil Numbers (Long)
848650
Fibonacci
932
294
Fizz Buzz
667600957658
Foo Fizz Buzz Bar
969
Forsyth–Edwards Notation
564
Fractions
668
Game of Life
386
Gijswijt’s Sequence
415
Gray Code Decoder
785
Gray Code Encoder
937
Happy Numbers
719
Happy Numbers (Long)
551
Intersection
799
Inventory Sequence
700
ISBN
636
Jacobi Symbol
535
Kolakoski Sequence
668
Leap Years
650
Levenshtein Distance
505
Leyland Numbers
659
ln 2
452
Look and Say
639
Lucky Numbers
514
Mandelbrot
10
Medal Tally
751
Morse Encoder
222
Niven Numbers
661
Niven Numbers (Long)
722
Number Spiral
478
Odious Numbers
814
Odious Numbers (Long)
794
Ordinal Numbers
664
Pangram Grep
861
Pascal’s Triangle
783
Pernicious Numbers
695
Pernicious Numbers (Long)
716
Prime Numbers
632
Prime Numbers (Long)
668
Proximity Grid
449
Quine
945
Recamán
749
Repeating Decimals
414
Reverse Polish Notation
520
Rijndael S-box
157
Rock-paper-scissors-Spock-lizard
696
Roman to Arabic
657
Rule 110
374
Seven Segment
514
Sierpiński Triangle
553
Smith Numbers
535
Spelling Numbers
432
Tongue-twisters
639
Trinomial Triangle
565
Ulam Sequence
465
United States
244
Vampire Numbers
446
Van Eck Sequence
719
Zodiac Signs
606
π
367
φ
694