12 Days of Christmas
130th
100th
99 Bottles of Beer
65th
Arabic to Roman
59th
Christmas Trees
457th40th
Cubes
37th
Diamonds
57th
Divisors
518th78th
Emirp Numbers
484th27th
Evil Numbers
84th
Fibonacci
962nd64th
Fizz Buzz
81st
Happy Numbers
42nd
Leap Years
99th
Morse Decoder
29th
Morse Encoder
31st
Niven Numbers
85th
Odious Numbers
64th
Ordinal Numbers
129th49th
Pangram Grep
91st
Pascal’s Triangle
75th
Pernicious Numbers
70th
Prime Numbers
27th
Quine
100th
Rock-paper-scissors-Spock-lizard
236th36th
Roman to Arabic
55th
Rule 110
41st
Seven Segment
41st
Sierpiński Triangle
40th
λ
24th
π
119th205th52nd
τ
39th
φ
47th
√2
49th
𝑒
65th