12 Days of Christmas
800
99 Bottles of Beer
598
Abundant Numbers
472
Christmas Trees
704
Cubes
437
Diamonds
288
Divisors
511
Emirp Numbers
407
Evil Numbers
345
Fibonacci
740
Fizz Buzz
763
Happy Numbers
458
Leap Years
528
Morse Decoder
329
Morse Encoder
338
Niven Numbers
293
Odious Numbers
316
Ordinal Numbers
541
Pangram Grep
377
Pascal’s Triangle
402
Pernicious Numbers
249
Prime Numbers
381
Rule 110
4
Seven Segment
427
Sierpiński Triangle
84
United States
λ
175
π
50
τ
49
φ
44
√2
45
𝑒
37