12 Days of Christmas
6th
27th
24 Game
18th
99 Bottles of Beer
6th
44th
Abundant Numbers
33rd
25th
Abundant Numbers (Long)
15th
26th
Arabic to Roman
22nd
Arithmetic Numbers
67th
Arrows
39th
Ascending Primes
31st
ASCII Table
6th
13th
Billiards
35th
brainfuck
16th
Card Number Validation
38th
Catalan Numbers
1st
Catalan’s Constant
24th
22nd
Christmas Trees
4th
15th
Collatz
24th
CSS Colors
10th
Cubes
17th
Day of Week
1st
DFA Simulator
31st
Diamonds
8th
5th
Divisors
1st
Emirp Numbers
30th
34th
Emirp Numbers (Long)
29th
Emojify
38th
Evil Numbers
8th
1st
Evil Numbers (Long)
1st
Factorial Factorisation
22nd
Farey Sequence
57th
Fibonacci
6th41st1st
Fizz Buzz
51st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
27th
Fractions
54th
Game of Life
4th
Gijswijt’s Sequence
38th
Happy Numbers
27th
1st
Happy Numbers (Long)
15th
Hexdump
47th
Intersection
31st
Inventory Sequence
35th
ISBN
27th
Jacobi Symbol
26th
Kaprekar Numbers
44th
Kolakoski Constant
24th
23rd
Kolakoski Sequence
7th
17th
Leap Years
9th
12th
Levenshtein Distance
58th
Leyland Numbers
22nd
6th
ln 2
57th
Look and Say
18th
20th
Lucky Numbers
19th
Lucky Tickets
28th
Mahjong
12th
Maze
21st
Medal Tally
10th
Morse Decoder
16th
Morse Encoder
3rd
23rd
Musical Chords
11th
N Queens
10th
Niven Numbers
24th
31st
Niven Numbers (Long)
33rd
Number Spiral
8th
Odious Numbers
10th
1st
Odious Numbers (Long)
1st
Ordinal Numbers
61st
PalindromemordnilaP
5th
Pangram Grep
44th
Pascal’s Triangle
1st
Pernicious Numbers
4th
75th
Pernicious Numbers (Long)
42nd
Poker
7th
Polyominoes
27th
Prime Numbers
24th32nd113th
Prime Numbers (Long)
41st
Proximity Grid
14th
QR Decoder
16th
Quine
1st
Recamán
24th
49th
Repeating Decimals
20th
Reverse Polish Notation
49th35th
Reversi
13th
Rijndael S-box
25th
Rock-paper-scissors-Spock-lizard
19th
Roman to Arabic
28th
ROT13
58th
Rule 110
27th
Seven Segment
29th
SI Units
11th
Sierpiński Triangle
4th
12th
Smith Numbers
17th
11th
Spelling Numbers
25th
Star Wars Opening Crawl
14th
Sudoku
2nd
Sudoku (Fill-in)
8th
Ten-pin Bowling
14th
Tic-tac-toe
11th
Time Distance
29th
Tongue-twisters
31st
Transpose Sentence
16th
United States
68th
Vampire Numbers
20th
48th
Van Eck Sequence
20th
Zeckendorf Representation
31st
Zodiac Signs
15th
γ
37th
λ
39th
22nd
π
50th
25th
τ
38th
37th
φ
35th
36th
√2
38th
101st
𝑒
45th
75th