12 Days of Christmas
4th
99 Bottles of Beer
6th
4th
Abundant Numbers
4th
3rd
1st
5th
Abundant Numbers (Long)
2nd
3rd
1st
Arabic to Roman
4th
ASCII Table
💎
5th
3rd
2nd
Catalan Numbers
3rd
1st
Catalan’s Constant
3rd
Christmas Trees
4th
3rd
5th
3rd
3rd
Collatz
1st
6th
5th
Day of Week
1st
1st
Diamonds
6th
2nd
3rd
Divisors
3rd
1st
83rd
1st
4th
4th
1st
Emirp Numbers
3rd
5th
Emirp Numbers (Long)
2nd
4th
Evil Numbers
7th
Fibonacci
1st
1st
10th
Fizz Buzz
1st
4th
6th
Foo Fizz Buzz Bar
1st
3rd
5th
Forsyth–Edwards Notation
4th
Fractions
1st
4th
Game of Life
2nd
Gijswijt’s Sequence
3rd
Happy Numbers
1st
3rd
5th
Happy Numbers (Long)
1st
3rd
4th
Hexdump
3rd
Intersection
3rd
2nd
3rd
Inventory Sequence
1st
1st
2nd
3rd
ISBN
5th
2nd
4th
Kolakoski Constant
4th
4th
Kolakoski Sequence
2nd
3rd
1st
Leap Years
4th
Leyland Numbers
2nd
3rd
ln 2
💎
Look and Say
2nd
3rd
3rd
💎
Lucky Numbers
2nd
1st
2nd
Medal Tally
💎
Niven Numbers
1st
8th
14th
1st
4th
1st
1st
1st
1st
2nd
1st
6th
1st
3rd
1st
Niven Numbers (Long)
1st
2nd
1st
1st
4th
Number Spiral
2nd
Odious Numbers
2nd
Ordinal Numbers
1st
2nd
5th
2nd
Pangram Grep
💎
3rd
4th
Pascal’s Triangle
2nd
5th
1st
1st
Prime Numbers
2nd
5th
Prime Numbers (Long)
3rd
2nd
1st
Proximity Grid
💎
2nd
Recamán
1st
2nd
2nd
Reverse Polish Notation
3rd
1st
5th
Rock-paper-scissors-Spock-lizard
2nd
Roman to Arabic
6th
Rule 110
6th
Seven Segment
5th
Sierpiński Triangle
6th
Smith Numbers
2nd
Spelling Numbers
4th
Star Wars Opening Crawl
2nd
Time Distance
2nd
💎
United States
💎
💎
Vampire Numbers
2nd
Van Eck Sequence
1st
1st
2nd
λ
3rd
π
5th
τ
5th
φ
5th
√2
1st
𝑒
4th