12 Days of Christmas
287th
99 Bottles of Beer
469th
Abundant Numbers
267th
Arabic to Roman
267th
Christmas Trees
420th
Collatz
683rd
Divisors
482nd
Emirp Numbers
386th
Evil Numbers
484th
Fibonacci
455th1,385th
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Happy Numbers
464th
Leap Years
216th
Niven Numbers
398th
Odious Numbers
294th
Ordinal Numbers
154th
Pangram Grep
335th
Pascal’s Triangle
186th
Pernicious Numbers
264th
Prime Numbers
244th
Prime Numbers (Long)
231st
Quine
70th
Recamán
276th
Roman to Arabic
193rd
Seven Segment
281st
Spelling Numbers
59th
Time Distance
104th
π
480th
φ
171st
√2
219th