12 Days of Christmas
898th
Abundant Numbers
252nd
brainfuck
243rd
Christmas Trees
18th
84th
Cubes
132nd
Diamonds
70th
Divisors
46th50th35th1st33rd55th
Emirp Numbers
76th
Evil Numbers
73rd
567th
Fibonacci
8th
163rd109th43rd
Fizz Buzz
838th
142nd
Happy Numbers
283rd
Leap Years
267th
Niven Numbers
257th
Odious Numbers
66th
479th
Ordinal Numbers
55th
215th
Pangram Grep
48th
Pascal’s Triangle
40th43rd
312th
Pernicious Numbers
303rd
Prime Numbers
88th
305th
Quine
63rd
Roman to Arabic
68th
Rule 110
98th
Seven Segment
96th
Sierpiński Triangle
111th
Sudoku
9th
√2
208th
𝑒
135th