12 Days of Christmas
265th
99 Bottles of Beer
423rd
Abundant Numbers
238th
Arabic to Roman
239th
Christmas Trees
379th
Collatz
598th
Divisors
451st
Emirp Numbers
355th
Evil Numbers
444th
Fibonacci
424th1,291st
Fizz Buzz
53rd
Foo Fizz Buzz Bar
1st
Happy Numbers
428th
Leap Years
194th
Niven Numbers
365th
Odious Numbers
261st
Ordinal Numbers
142nd
Pangram Grep
307th
Pascal’s Triangle
169th
Pernicious Numbers
241st
Prime Numbers
221st
Prime Numbers (Long)
207th
Quine
57th
Recamán
254th
Roman to Arabic
179th
Seven Segment
263rd
Spelling Numbers
55th
Time Distance
92nd
π
440th
φ
154th
√2
195th