12 Days of Christmas
1st
99 Bottles of Beer
6th
Abundant Numbers
9th
15th
Arabic to Roman
2nd
5th
Ascending Primes
6th
ASCII Table
3rd
319thbrainfuck
2nd
Catalan Numbers
1st
Christmas Trees
2nd
Collatz
4th
Diamonds
1st
Divisors
1st
1st
11th
83rdEmirp Numbers
2nd
635thEmirp Numbers (Long)
1st
Evil Numbers
1st
1st
Evil Numbers (Long)
1st
Factorial Factorisation
2nd
Farey Sequence
1st
Fibonacci
28th
1st
18th
1stFizz Buzz
2nd
28thFoo Fizz Buzz Bar
5th
Fractions
2nd
Happy Numbers
3rd
19thHappy Numbers (Long)
6th
Hexdump
4th
Intersection
7th
Inventory Sequence
1st
ISBN
15th
6th
17th
Kolakoski Constant
5th
Kolakoski Sequence
2nd
1st
Leap Years
7th
852ndLevenshtein Distance
2nd
6th
71stLeyland Numbers
3rd
114thLook and Say
1st
Lucky Numbers
16th
4th
69thLucky Tickets
8th
6th
83rdNiven Numbers
3rd
26th
Niven Numbers (Long)
4th
Number Spiral
11th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
36thPangram Grep
5th
Pascal’s Triangle
1st
19th
Pernicious Numbers
1st
11th
Pernicious Numbers (Long)
4th
Prime Numbers
1st
180thPrime Numbers (Long)
1st
38thProximity Grid
2nd
Quine
21st
52ndRecamán
7th
Reverse Polish Notation
19th
4th
49th
8th
52ndRule 110
10th
3rd
Seven Segment
2nd
Sierpiński Triangle
3rd
Smith Numbers
1st
Sudoku v2
2nd
Tongue-twisters
2nd
88thVampire Numbers
1st
63rdVan Eck Sequence
6th
π
3rd
149thτ
3rd
φ
1st
√2
3rd
𝑒
1st