12 Days of Christmas
132nd
102nd
99 Bottles of Beer
66th
Arabic to Roman
59th
Christmas Trees
469th40th
Cubes
38th
Diamonds
59th
Divisors
530th81st
Emirp Numbers
493rd28th
Evil Numbers
87th
Fibonacci
975th65th
Fizz Buzz
83rd
Happy Numbers
43rd
Leap Years
100th
Morse Decoder
31st
Morse Encoder
34th
Niven Numbers
85th
Odious Numbers
68th
Ordinal Numbers
134th49th
Pangram Grep
91st
Pascal’s Triangle
78th
Pernicious Numbers
73rd
Prime Numbers
27th
Quine
101st
Rock-paper-scissors-Spock-lizard
241st37th
Roman to Arabic
57th
Rule 110
42nd
Seven Segment
42nd
Sierpiński Triangle
41st
λ
25th
π
119th211th55th
τ
41st
φ
52nd
√2
53rd
𝑒
69th