12 Days of Christmas
7th
99 Bottles of Beer
3rd
Abundant Numbers
22nd
Abundant Numbers (Long)
14th
Arabic to Roman
15th
Arrows
8th
ASCII Table
6th
brainfuck
19th
Catalan Numbers
21st
Christmas Trees
19th
Collatz
14th
CSS Colors
1st
Cubes
9th
Day of Week
1st
9th
Diamonds
12th
Divisors
π
6th
Emirp Numbers
14th
Emirp Numbers (Long)
4th
Emojify
7th
Evil Numbers
15th
20th
Evil Numbers (Long)
16th
Fibonacci
18th
Fizz Buzz
1st
23rd
Foo Fizz Buzz Bar
1st
12th
Fractions
10th
Happy Numbers
15th
Happy Numbers (Long)
16th
Hexdump
9th
Intersection
11th
ISBN
7th
Leap Years
1st
12th
Leyland Numbers
2nd
Look and Say
17th
Lucky Numbers
8th
Medal Tally
6th
Morse Decoder
9th
Morse Encoder
9th
Niven Numbers
38th
Niven Numbers (Long)
16th
Number Spiral
5th
Odious Numbers
15th
18th
Odious Numbers (Long)
15th
Ordinal Numbers
18th
1st
Pangram Grep
7th
Pascalβs Triangle
12th
Pernicious Numbers
24th
Pernicious Numbers (Long)
11th
Prime Numbers
8th
27th
Prime Numbers (Long)
13th
4th
Quine
12th
RecamΓ‘n
15th
Reverse Polish Notation
8th
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
23rd
Rule 110
11th
Seven Segment
16th
SierpiΕski Triangle
11th
Smith Numbers
8th
Star Wars Opening Crawl
7th
Tongue-twisters
17th
United States
22nd
10th
Vampire Numbers
5th
Van Eck Sequence
13th
Ο
11th
Ο
9th
Ο
9th
β2
8th
π
9th