12 Days of Christmas
336th
99 Bottles of Beer
478th
Abundant Numbers
302nd
Arabic to Roman
275th
Christmas Trees
425th
Collatz
666th
Divisors
492nd
Emirp Numbers
397th
Evil Numbers
473rd
Fibonacci
447th1,365th
Fizz Buzz
202nd
Foo Fizz Buzz Bar
123rd
Happy Numbers
467th
Leap Years
212th
Niven Numbers
397th
Odious Numbers
285th
Ordinal Numbers
175th
Pangram Grep
338th
Pascal’s Triangle
185th
Pernicious Numbers
265th
Prime Numbers
240th
Prime Numbers (Long)
245th
Quine
67th
Recamán
276th
Roman to Arabic
202nd
Seven Segment
283rd
Spelling Numbers
88th
Time Distance
111th
π
480th
φ
195th
√2
238th