12 Days of Christmas
116th
87th
99 Bottles of Beer
59th
Arabic to Roman
53rd
Christmas Trees
386th33rd
Cubes
31st
Diamonds
47th
Divisors
452nd68th
Emirp Numbers
429th75th
Evil Numbers
74th
Fibonacci
870th58th
Fizz Buzz
71st
Happy Numbers
64th
Leap Years
86th
Morse Decoder
27th
Morse Encoder
27th
Niven Numbers
71st
Odious Numbers
56th
Ordinal Numbers
74th43rd
Pangram Grep
80th
Pascal’s Triangle
65th
Pernicious Numbers
58th
Prime Numbers
22nd
Quine
97th
Rock-paper-scissors-Spock-lizard
237th30th
Roman to Arabic
49th
Rule 110
40th
Seven Segment
38th
Sierpiński Triangle
36th
λ
25th
π
101st150th76th
τ
48th
φ
55th
√2
52nd
𝑒
61st