12 Days of Christmas
813
99 Bottles of Beer
608
Abundant Numbers
500
Christmas Trees
742
Cubes
463
Diamonds
309
Divisors
542
Emirp Numbers
437
Evil Numbers
362
Fibonacci
771
Fizz Buzz
778
Happy Numbers
491
Leap Years
542
Morse Decoder
349
Morse Encoder
357
Niven Numbers
311
Odious Numbers
333
Ordinal Numbers
571
Pangram Grep
407
Pascal’s Triangle
435
Pernicious Numbers
262
Prime Numbers
400
Rule 110
4
Seven Segment
470
Sierpiński Triangle
89
United States
λ
184
π
53
τ
53
φ
47
√2
49
𝑒
40