12 Days of Christmas
116th
87th
99 Bottles of Beer
60th
Arabic to Roman
52nd
Christmas Trees
400th35th
Cubes
31st
Diamonds
47th
Divisors
470th68th
Emirp Numbers
441st25th
Evil Numbers
74th
Fibonacci
871st58th
Fizz Buzz
71st
Happy Numbers
38th
Leap Years
86th
Morse Decoder
26th
Morse Encoder
28th
Niven Numbers
71st
Odious Numbers
56th
Ordinal Numbers
113th43rd
Pangram Grep
80th
Pascal’s Triangle
66th
Pernicious Numbers
58th
Prime Numbers
25th
Quine
97th
Rock-paper-scissors-Spock-lizard
215th31st
Roman to Arabic
50th
Rule 110
37th
Seven Segment
38th
Sierpiński Triangle
36th
λ
20th
π
102nd176th78th
τ
48th
φ
55th
√2
55th
𝑒
61st