12 Days of Christmas
812
99 Bottles of Beer
604
Abundant Numbers
750
brainfuck
Christmas Trees
714
Diamonds
514
Divisors
817
Emirp Numbers
446
Evil Numbers
521
Fibonacci
717
Fizz Buzz
1,000
Happy Numbers
463
Leap Years
603
Niven Numbers
764
Odious Numbers
552
Pangram Grep
Pascal’s Triangle
366
Pernicious Numbers
430
Prime Numbers
571
Roman to Arabic
420
Seven Segment
484
Sierpiński Triangle
243
Spelling Numbers
λ
171
π
55
τ
61
φ
49
√2
51
𝑒
50