12 Days of Christmas
542
99 Bottles of Beer
516
Abundant Numbers
608
Arabic to Roman
525
brainfuck
500
Christmas Trees
663
CSS Colors
683
Diamonds
577
Divisors
793
Emirp Numbers
348
Evil Numbers
384
Fibonacci
681
Fizz Buzz
877
Happy Numbers
614
Leap Years
792
Leyland Numbers
519
Morse Decoder
273
Morse Encoder
281
Niven Numbers
676
Odious Numbers
385
Ordinal Numbers
Pangram Grep
745
Pascal’s Triangle
248
Pernicious Numbers
401
Prime Numbers
740
Quine
666
Rock-paper-scissors-Spock-lizard
Roman to Arabic
447
Rule 110
195
Seven Segment
350
Sierpiński Triangle
304
Spelling Numbers
592
Sudoku
United States
λ
216
π
416
τ
391
φ
275
√2
372
𝑒
221