12 Days of Christmas
131st
99 Bottles of Beer
121st
Abundant Numbers
49th
Arabic to Roman
56th
brainfuck
20th138th
Christmas Trees
23rd158th
Cubes
177th
Diamonds
41st
Divisors
171st40th1st
Emirp Numbers
125th
Evil Numbers
25th152nd
Fibonacci
51st206th
Fizz Buzz
294th9th77th
Happy Numbers
77th
Leap Years
123rd46th63rd
Morse Decoder
115th
Morse Encoder
39th
Niven Numbers
93rd
Odious Numbers
328th
Ordinal Numbers
7th
Pangram Grep
23rd195th
Pascal’s Triangle
138th
Pernicious Numbers
213th
Poker
50th
Prime Numbers
278th
Quine
86th
Rock-paper-scissors-Spock-lizard
71st
Roman to Arabic
99th
Rule 110
131st
Seven Segment
95th
Sierpiński Triangle
74th
Spelling Numbers
57th
Sudoku
40th
Ten-pin Bowling
λ
144th
π
123rd
τ
111th
φ
128th
√2
421st
𝑒
241st