12 Days of Christmas
939th
Abundant Numbers
267th
brainfuck
249th
Christmas Trees
18th
86th
Cubes
136th
Diamonds
73rd
Divisors
50th52nd37th1st33rd57th
Emirp Numbers
78th
Evil Numbers
78th
595th
Fibonacci
12th
181st111th44th
Fizz Buzz
862nd
144th
Happy Numbers
290th
Leap Years
280th
Niven Numbers
266th
Odious Numbers
73rd
503rd
Ordinal Numbers
58th
221st
Pangram Grep
49th
Pascal’s Triangle
40th47th
320th
Pernicious Numbers
314th
Prime Numbers
90th
319th
Quine
70th
Roman to Arabic
74th
Rule 110
101st
Seven Segment
100th
Sierpiński Triangle
118th
Sudoku
9th
√2
219th
𝑒
147th