12 Days of Christmas
7th
99 Bottles of Beer
12th
Abundant Numbers
6th
Abundant Numbers (Long)
1st
Arithmetic Numbers
4th
Arrows
3rd
Ascending Primes
6th
ASCII Table
3rd
brainfuck
16th
Christmas Trees
1st
Collatz
1st
CSS Colors
4th
Diamonds
2nd
Divisors
1st
Emirp Numbers
6th
Emirp Numbers (Long)
7th
Emojify
3rd
Evil Numbers
1st
Evil Numbers (Long)
2nd
Farey Sequence
6th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Happy Numbers
10th
Happy Numbers (Long)
9th
Intersection
7th
Inventory Sequence
3rd
ISBN
2nd
Kaprekar Numbers
2nd
Kolakoski Constant
3rd
Kolakoski Sequence
1st
Leap Years
1st
Leyland Numbers
1st
Look and Say
9th
Lucky Numbers
8th
Morse Encoder
4th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
2nd
Ordinal Numbers
5th
PalindromemordnilaP
3rd
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
1st
Reverse Polish Notation
3rd
Rock-paper-scissors-Spock-lizard
4th
Roman to Arabic
3rd
Rule 110
8th
Scrambled Sort
5th
Seven Segment
12th
Sierpiński Triangle
8th
Smith Numbers
4th
Spelling Numbers
10th
Ten-pin Bowling
3rd
Tic-tac-toe
3rd
Tongue-twisters
16th
Trinomial Triangle
3rd
United States
8th
Vampire Numbers
5th
Van Eck Sequence
4th
π
5th
𝑒
9th