12 Days of Christmas
283rd
99 Bottles of Beer
454th
Abundant Numbers
260th
Arabic to Roman
259th
Christmas Trees
408th
Collatz
657th
Divisors
470th
Emirp Numbers
376th
Evil Numbers
469th
Fibonacci
441st1,347th
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Happy Numbers
457th
Leap Years
207th
Niven Numbers
389th
Odious Numbers
278th
Ordinal Numbers
150th
Pangram Grep
322nd
Pascal’s Triangle
181st
Pernicious Numbers
259th
Prime Numbers
236th
Prime Numbers (Long)
221st
Quine
63rd
Recamán
270th
Roman to Arabic
188th
Seven Segment
275th
Spelling Numbers
59th
Time Distance
99th
π
469th
φ
166th
√2
210th