12 Days of Christmas
69th
Abundant Numbers
236th
brainfuck
207th
Christmas Trees
13th
110th
Cubes
120th
Diamonds
78th
Divisors
41st
46th
32nd
82nd
46th
41st
Emirp Numbers
124th
Evil Numbers
67th
488th
Fibonacci
36th
130th
99th
31st
Fizz Buzz
746th
121st
Happy Numbers
91st
Leap Years
234th
Niven Numbers
215th
Odious Numbers
59th
407th
Ordinal Numbers
53rd
196th
Pangram Grep
47th
Pascal’s Triangle
32nd
39th
265th
Pernicious Numbers
257th
Prime Numbers
79th
246th
Quine
52nd
Roman to Arabic
68th
Rule 110
88th
Seven Segment
103rd
Sierpiński Triangle
102nd
Sudoku
12th
√2
188th
𝑒
118th