12 Days of Christmas
85th
Abundant Numbers
275th
brainfuck
242nd
Christmas Trees
18th
129th
Cubes
146th
Diamonds
94th
Divisors
44th50th34th100th47th52nd
Emirp Numbers
134th
Evil Numbers
73rd
548th
Fibonacci
42nd
155th107th41st
Fizz Buzz
843rd
137th
Happy Numbers
99th
Leap Years
260th
Niven Numbers
245th
Odious Numbers
65th
461st
Ordinal Numbers
54th
224th
Pangram Grep
49th
Pascal’s Triangle
38th41st
301st
Pernicious Numbers
291st
Prime Numbers
83rd
289th
Quine
56th
Roman to Arabic
84th
Rule 110
111th
Seven Segment
120th
Sierpiński Triangle
117th
Sudoku
13th
√2
219th
𝑒
140th