12 Days of Christmas
15th
99 Bottles of Beer
13th
Abundant Numbers
25th
Abundant Numbers (Long)
16th
Arabic to Roman
18th
Arrows
13th
ASCII Table
7th
brainfuck
22nd
Catalan Numbers
23rd
Christmas Trees
22nd
Collatz
25th
CSS Colors
1st
Cubes
11th
Day of Week
37th1st13th
Diamonds
13th
Divisors
💎9th
Emirp Numbers
18th
Emirp Numbers (Long)
6th
Emojify
10th
Evil Numbers
2nd29th
Evil Numbers (Long)
1st
Fibonacci
22nd
Fizz Buzz
3rd1st32nd
Foo Fizz Buzz Bar
18th4th16th
Fractions
11th
Happy Numbers
58th19th
Happy Numbers (Long)
20th
Hexdump
11th
Intersection
11th
ISBN
8th
Leap Years
1st16th
Leyland Numbers
29th2nd
Look and Say
17th
Lucky Numbers
10th
Medal Tally
8th
Morse Decoder
10th
Morse Encoder
12th
Niven Numbers
33rd
Niven Numbers (Long)
12th
Number Spiral
5th
Odious Numbers
2nd25th
Odious Numbers (Long)
1st
Ordinal Numbers
44th16th1st
Pangram Grep
8th
Pascal’s Triangle
14th
Pernicious Numbers
24th
Pernicious Numbers (Long)
8th
Prime Numbers
15th32nd
Prime Numbers (Long)
18th5th
Quine
20th
Recamán
17th
Reverse Polish Notation
8th
Rock-paper-scissors-Spock-lizard
12th
Roman to Arabic
27th
ROT13
8th
Rule 110
10th
Scrambled Sort
5th
Seven Segment
19th
Sierpiński Triangle
13th
Smith Numbers
9th
Star Wars Opening Crawl
7th
Tongue-twisters
18th
United States
26th14th
Vampire Numbers
6th
Van Eck Sequence
14th
π
12th
τ
10th
φ
12th
√2
9th
𝑒
12th