12 Days of Christmas
24th
99 Bottles of Beer
10th
Abundant Numbers
87th
brainfuck
10th
Christmas Trees
16th
111th
Collatz
165th24th
51st
Divisors
26th
70th
Emojify
7th
Evil Numbers
41st
26th
Fibonacci
65th
Fizz Buzz
12th
4th
Fractions
15th
1st
Happy Numbers
5th
Happy Numbers (Long)
2nd
ISBN
22nd
Kolakoski Sequence
29th
Look and Say
22nd15th
Niven Numbers
23rd
Number Spiral
22nd
Ordinal Numbers
13th
Pangram Grep
24th
Pascal’s Triangle
37th
Prime Numbers (Long)
48th
Proximity Grid
5th
Quine
1st25th
19th
81st
Recamán
14th
Rule 110
10th
34th
Smith Numbers
7th
Star Wars Opening Crawl
24th
United States
46th
Van Eck Sequence
18th