12 Days of Christmas
23rd
99 Bottles of Beer
11th
Arabic to Roman
5th
Arithmetic Numbers
6th
ASCII Table
13th
Card Number Validation
6th
Catalan Numbers
41st
Collatz
11th
Diamonds
28th
16th
46th
Divisors
27th
Evil Numbers
1st
9th
Evil Numbers (Long)
1st
Fizz Buzz
170th
Game of Life
17th
Happy Numbers
28th
Happy Numbers (Long)
28th
Inventory Sequence
35th
Leap Years
14th
Leyland Numbers
17th
Look and Say
8th
Musical Chords
6th
Niven Numbers
28th
Niven Numbers (Long)
26th
Odious Numbers
1st
Odious Numbers (Long)
1st
Pernicious Numbers
28th
Pernicious Numbers (Long)
20th
Prime Numbers
1st
1st
Prime Numbers (Long)
1st
Quine
243rd22nd43rd63rd46th374th84th
34th65th32nd99th
Recamán
27th
Rijndael S-box
29th
16th
Smith Numbers
9th
Star Wars Opening Crawl
111th
United States
3rd
Van Eck Sequence
24th
λ
8th
π
51st
𝑒
9th