12 Days of Christmas
52
99 Bottles of Beer
729
Abundant Numbers
782
Arabic to Roman
520
Arrows
657
ASCII Table
763
Christmas Trees
653
Collatz
823
CSS Colors
285
Cubes
602
Diamonds
521
Divisors
833
Emirp Numbers
690
Emojify
350
Evil Numbers
742
Fibonacci
939
Fizz Buzz
960
Foo Fizz Buzz Bar
919
Fractions
775
Happy Numbers
872
Hexdump
712
Intersection
657
ISBN
790
Leap Years
900
Leyland Numbers
405
Niven Numbers
891
Odious Numbers
738
Ordinal Numbers
773
Pangram Grep
593
Pascal’s Triangle
774
Pernicious Numbers
800
Prime Numbers
867
Quine
500
Recamán
907
Reverse Polish Notation
416
Roman to Arabic
612
Seven Segment
610
Sierpiński Triangle
625
Spelling Numbers
708
Star Wars Opening Crawl
679
Time Distance
694
Tongue-twisters
632
λ
410
π
157
τ
158
φ
166
√2
156
𝑒
128