12 Days of Christmas
839th
Abundant Numbers
234th
brainfuck
225th
Christmas Trees
18th
78th
Cubes
126th
Diamonds
65th
Divisors
43rd50th33rd1st33rd51st
Emirp Numbers
70th
Evil Numbers
72nd
541st
Fibonacci
8th
153rd105th39th
Fizz Buzz
815th
136th
Happy Numbers
271st
Leap Years
252nd
Niven Numbers
241st
Odious Numbers
65th
454th
Ordinal Numbers
53rd
198th
Pangram Grep
48th
Pascal’s Triangle
37th41st
289th
Pernicious Numbers
283rd
Prime Numbers
83rd
285th
Quine
56th
Roman to Arabic
63rd
Rule 110
86th
Seven Segment
87th
Sierpiński Triangle
101st
Sudoku
9th
√2
189th
𝑒
117th