12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
836
Abundant Numbers (Long)
838
Arabic to Roman
Arrows
ASCII Table
783
brainfuck
763
Catalan Numbers
413
Catalan’s Constant
193
Christmas Trees
Collatz
881
CSS Colors
565
Cubes
Day of Week
Diamonds
424
Divisors
831
Emirp Numbers
576
Emirp Numbers (Long)
553
Emojify
Evil Numbers
644
Evil Numbers (Long)
700
Fibonacci
667
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
519
Happy Numbers
705
Happy Numbers (Long)
Hexdump
588
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
471
Kolakoski Constant
577
Kolakoski Sequence
558
Leap Years
852
Levenshtein Distance
875
Leyland Numbers
844
Look and Say
773
Lucky Numbers
458
Lucky Tickets
537
Medal Tally
670
Morse Decoder
Morse Encoder
Musical Chords
Niven Numbers
977
Niven Numbers (Long)
926
Number Spiral
713
Odious Numbers
673
Odious Numbers (Long)
679
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
765
Pernicious Numbers
515
Pernicious Numbers (Long)
521
Poker
Prime Numbers
694
Prime Numbers (Long)
714
Proximity Grid
QR Decoder
453
Quine
667
Recamán
454
Reverse Polish Notation
690
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
565
Sierpiński Triangle
500
Smith Numbers
497
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
555
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
582
Zodiac Signs
λ
906
π
459
τ
455
φ
410
√2
429
𝑒
493