12 Days of Christmas
798
99 Bottles of Beer
596
Abundant Numbers
473
Christmas Trees
703
Cubes
435
Diamonds
288
Divisors
511
Emirp Numbers
407
Evil Numbers
345
Fibonacci
740
Fizz Buzz
761
Happy Numbers
458
Leap Years
528
Morse Decoder
327
Morse Encoder
336
Niven Numbers
293
Odious Numbers
316
Ordinal Numbers
528
Pangram Grep
377
Pascal’s Triangle
402
Pernicious Numbers
249
Prime Numbers
381
Rule 110
4
Seven Segment
422
Sierpiński Triangle
84
United States
λ
167
π
47
τ
50
φ
38
√2
41
𝑒
35