12 Days of Christmas
8th
99 Bottles of Beer
44th
Abundant Numbers
42nd
Abundant Numbers (Long)
31st
Alphabetic Numbers
6th
Arabic to Roman
29th
Arithmetic Numbers
26th
Arrows
42nd
Ascending Primes
13th
ASCII Table
23rd
Billiards
13th
brainfuck
4th
Calendar
7th
Card Number Validation
23rd
Catalan Numbers
15th
Christmas Trees
9th
Collatz
1st
Continued Fractions
11th
CSS Colors
7th
Cubes
22nd
Day of Week
31st
Diamonds
35th
Divisors
5th
Emirp Numbers
23rd
Emirp Numbers (Long)
11th
Emojify
26th
Evil Numbers
11th
Evil Numbers (Long)
18th
Factorial Factorisation
12th
Farey Sequence
8th
Fibonacci
24th
Fizz Buzz
1st
Foo Fizz Buzz Bar
8th
Fractions
1st
Game of Life
14th
Gijswijt’s Sequence
17th
Gray Code Decoder
14th
Gray Code Encoder
1st
Happy Numbers
26th
Happy Numbers (Long)
18th
Hexdump
5th
Hilbert Curve
17th
Intersection
16th
Inventory Sequence
1st
ISBN
22nd
Jacobi Symbol
1st
Kaprekar Numbers
8th
Kolakoski Constant
14th
Kolakoski Sequence
13th
Leap Years
21st
Levenshtein Distance
21st
Leyland Numbers
20th
ln 2
6th
Look and Say
9th
Lucky Numbers
43rd
Lucky Tickets
11th
Maze
9th
Medal Tally
13th
Morse Decoder
15th
Morse Encoder
16th
Multitap Input
7th
Musical Chords
15th
N Queens
15th
Nim
8th
Niven Numbers
21st
Niven Numbers (Long)
13th
Number Spiral
20th
Odious Numbers
12th
Odious Numbers (Long)
21st
Ordinal Numbers
21st
PalindromemordnilaP
5th
Pangram Grep
28th
Partition Numbers
19th
Pascal’s Triangle
14th
Pernicious Numbers
1st
Pernicious Numbers (Long)
13th
Polyominoes
5th
Prime Numbers
9th
Prime Numbers (Long)
13th
Proximity Grid
5th
QR Decoder
9th
Quine
1st
Recamán
1st
Repeating Decimals
13th
Reverse Polish Notation
15th
Reversi
3rd
Rijndael S-box
12th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
18th
ROT13
23rd
Rule 110
6th
Scrambled Sort
15th
Semiprime Numbers
4th
Set
5th
Seven Segment
25th
SI Units
10th
Sierpiński Triangle
11th
Smith Numbers
18th
Snake
2nd
Spelling Numbers
3rd
Sphenic Numbers
3rd
Star Wars Opening Crawl
4th
Sudoku
4th
Taxicab Numbers
13th
Time Distance
15th
Tongue-twisters
29th
Topological Sort
8th
Tower of Hanoi
14th
Transpose Sentence
17th
Trinomial Triangle
10th
Ulam Sequence
8th
United States
29th
Vampire Numbers
14th
Van Eck Sequence
1st
Zeckendorf Representation
15th
Zodiac Signs
11th
π
7th
τ
8th
φ
15th
√2
19th
𝑒
14th