12 Days of Christmas
6th
21st
99 Bottles of Beer
6th
38th
Abundant Numbers
30th
23rd
Abundant Numbers (Long)
13th
22nd
Arabic to Roman
19th
Arithmetic Numbers
60th
Arrows
34th
Ascending Primes
23rd
ASCII Table
5th
12th
brainfuck
16th
Catalan Numbers
1st
Catalan’s Constant
22nd
21st
Christmas Trees
3rd
13th
Collatz
20th
CSS Colors
11th
Cubes
14th
Day of Week
43rd
DFA Simulator
28th
Diamonds
8th
5th
Divisors
1st
Emirp Numbers
29th
34th
Emirp Numbers (Long)
26th
Emojify
26th
Evil Numbers
8th
1st
Evil Numbers (Long)
1st
Factorial Factorisation
28th
Farey Sequence
46th
Fibonacci
6th
36th
1st
Fizz Buzz
46th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
43rd
Fractions
29th
Game of Life
4th
Gijswijt’s Sequence
28th
Happy Numbers
25th
1st
Happy Numbers (Long)
14th
Hexdump
39th
Intersection
30th
Inventory Sequence
30th
ISBN
28th
Jacobi Symbol
26th
Kolakoski Constant
21st
20th
Kolakoski Sequence
7th
16th
Leap Years
9th
9th
Levenshtein Distance
57th
Leyland Numbers
20th
4th
ln 2
63rd
Look and Say
16th
16th
Lucky Numbers
16th
Lucky Tickets
22nd
Mahjong
10th
Maze
21st
Medal Tally
51st
Morse Decoder
18th
Morse Encoder
3rd
20th
Musical Chords
12th
N Queens
16th
Niven Numbers
23rd
26th
Niven Numbers (Long)
27th
Number Spiral
6th
Odious Numbers
10th
1st
Odious Numbers (Long)
1st
Ordinal Numbers
58th
Pangram Grep
36th
Pascal’s Triangle
1st
Pernicious Numbers
4th
65th
Pernicious Numbers (Long)
39th
Poker
6th
Prime Numbers
24th
26th
101st
Prime Numbers (Long)
38th
Proximity Grid
17th
QR Decoder
15th
Quine
1st
Recamán
22nd
44th
Repeating Decimals
19th
Reverse Polish Notation
43rd
28th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
20th
Roman to Arabic
26th
Rule 110
22nd
Seven Segment
25th
SI Units
9th
Sierpiński Triangle
4th
12th
Smith Numbers
15th
11th
Spelling Numbers
21st
Star Wars Opening Crawl
13th
Sudoku
2nd
Sudoku v2
8th
Ten-pin Bowling
13th
Time Distance
27th
Tongue-twisters
31st
United States
56th
Vampire Numbers
18th
44th
Van Eck Sequence
17th
Zodiac Signs
13th
γ
31st
λ
35th
22nd
π
43rd
24th
τ
34th
34th
φ
33rd
34th
√2
33rd
90th
𝑒
41st
62nd