12 Days of Christmas
80th
Abundant Numbers
270th
brainfuck
234th
Christmas Trees
18th
125th
Cubes
144th
Diamonds
90th
Divisors
43rd50th33rd98th47th50th
Emirp Numbers
133rd
Evil Numbers
73rd
540th
Fibonacci
42nd
150th106th37th
Fizz Buzz
829th
136th
Happy Numbers
98th
Leap Years
255th
Niven Numbers
241st
Odious Numbers
65th
455th
Ordinal Numbers
53rd
216th
Pangram Grep
51st
Pascal’s Triangle
37th41st
297th
Pernicious Numbers
286th
Prime Numbers
83rd
285th
Quine
56th
Roman to Arabic
80th
Rule 110
105th
Seven Segment
115th
Sierpiński Triangle
115th
Sudoku
13th
√2
211th
𝑒
135th