12 Days of Christmas
459
99 Bottles of Beer
532
Abundant Numbers
760
Arabic to Roman
574
290
Arrows
brainfuck
Christmas Trees
582
CSS Colors
114
Cubes
65
Diamonds
491
Divisors
845
Emirp Numbers
552
Evil Numbers
649
Fibonacci
900
Fizz Buzz
758
Fractions
550
Happy Numbers
447
Happy Numbers (Long)
545
Kolakoski Constant
115
Kolakoski Sequence
28
Leap Years
885
Leyland Numbers
127
Look and Say
62
Niven Numbers
907
Odious Numbers
649
Ordinal Numbers
487
Pangram Grep
315
Pascal’s Triangle
520
Pernicious Numbers
405
Prime Numbers
850
357
Quine
1,0001,000923514901321,0004926001631,0008549589631,0007351,0001,0006328931,00072030496963092668289371918058
Recamán
73
Rule 110
Sierpiński Triangle
137
Smith Numbers
51
Tongue-twisters
376
United States
152
Vampire Numbers
111
Van Eck Sequence
25
λ
210
π
106
τ
106
φ
107
√2
107
𝑒
85