12 Days of Christmas
891st
Abundant Numbers
247th
brainfuck
243rd
Christmas Trees
18th
83rd
Cubes
132nd
Diamonds
69th
Divisors
46th50th35th1st33rd55th
Emirp Numbers
76th
Evil Numbers
73rd
564th
Fibonacci
8th
161st108th43rd
Fizz Buzz
838th
140th
Happy Numbers
283rd
Leap Years
265th
Niven Numbers
256th
Odious Numbers
66th
477th
Ordinal Numbers
55th
214th
Pangram Grep
48th
Pascal’s Triangle
40th42nd
307th
Pernicious Numbers
297th
Prime Numbers
86th
301st
Quine
63rd
Roman to Arabic
67th
Rule 110
97th
Seven Segment
94th
Sierpiński Triangle
108th
Sudoku
9th
√2
203rd
𝑒
131st