12 Days of Christmas
2nd
99 Bottles of Beer
7th
💎
Abundant Numbers
9th
1st
1st
6th
Abundant Numbers (Long)
3rd
1st
1st
Arabic to Roman
2nd
ASCII Table
💎
8th
💎
2nd
Catalan Numbers
1st
1st
Catalan’s Constant
3rd
Christmas Trees
7th
1st
5th
3rd
💎
Collatz
1st
5th
7th
Day of Week
3rd
Diamonds
6th
1st
💎
Divisors
3rd
1st
25th1st1st
5th
1st
Emirp Numbers
1st
7th
Emirp Numbers (Long)
1st
6th
Evil Numbers
10th
Fibonacci
1st
1st
19th
Fizz Buzz
1st
1st
1st
Foo Fizz Buzz Bar
1st
4th
3rd
Forsyth–Edwards Notation
1st
Fractions
1st
1st
Game of Life
3rd
Gijswijt’s Sequence
3rd
Happy Numbers
1st
1st
5th
Happy Numbers (Long)
2nd
1st
1st
Hexdump
💎
Intersection
3rd
2nd
3rd
Inventory Sequence
1st
3rd
💎
3rd
ISBN
6th
1st
6th
Kolakoski Constant
5th
💎
Kolakoski Sequence
2nd
1st
1st
Leap Years
6th
Leyland Numbers
3rd
2nd
ln 2
3rd
Look and Say
3rd
💎
Lucky Numbers
5th
1st
💎
Medal Tally
💎
Niven Numbers
1st1st25th1st1st42nd1st
1st1st
1st
1st1st1st1st
Niven Numbers (Long)
1st
1st
1st
1st
6th
Number Spiral
4th
Odious Numbers
3rd
Ordinal Numbers
2nd
1st
3rd
6th
Pangram Grep
💎
1st
2nd
Pascal’s Triangle
4th
9th
1st
1st
Prime Numbers
1st
6th
Prime Numbers (Long)
1st
2nd
1st
Proximity Grid
2nd
Recamán
💎
3rd
Reverse Polish Notation
1st
1st
Rock-paper-scissors-Spock-lizard
4th
Roman to Arabic
4th
Rule 110
8th
Seven Segment
💎
Sierpiński Triangle
7th
Smith Numbers
💎
Spelling Numbers
💎
Star Wars Opening Crawl
💎
Time Distance
💎
2nd
United States
💎
💎
Vampire Numbers
Van Eck Sequence
2nd
2nd
5th
λ
4th
π
7th
τ
6th
φ
7th
√2
1st
𝑒
7th