12 Days of Christmas
10th
20th
12th
5th
16th
24 Game
99 Bottles of Beer
11th
9th
10th
6th
14th
Abundant Numbers
19th
14th
10th
7th
21st
Abundant Numbers (Long)
11th
9th
4th
6th
18th
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
7th
12th
12th
3rd
14th
brainfuck
Card Number Validation
Catalan Numbers
19th
8th
5th
5th
8th
Catalan’s Constant
8th
9th
5th
5th
11th
Christmas Trees
10th
10th
13th
4th
12th
Collatz
16th
13th
14th
9th
19th
CSS Colors
Cubes
5th
9th
6th
5th
10th
Day of Week
DFA Simulator
Diamonds
9th
9th
13th
3rd
13th
Divisors
25th
11th
11th
5th
22nd
Emirp Numbers
15th
10th
14th
5th
12th
Emirp Numbers (Long)
8th
8th
11th
6th
11th
Emojify
Evil Numbers
23rd
20th
13th
6th
18th
19th
27th
51st
116th
43rd
25th
21st
31st
46th
39th
15th
28th
22nd
15th
26th
16th
25th
71st
35th
78th
13th
58th
17th
54th
385th
17th
47th
50th
14th
34th
43rd
28th
18th
26th
13th
81st
79th
27th
234th
16th
22nd
13th
164th
90th
21st
1st
8th
42nd
15th
14th
26th
10th
17th
25th
Evil Numbers (Long)
13th
13th
11th
6th
17th
Factorial Factorisation
Farey Sequence
Fibonacci
84th
30th
10th
7th
51st
46th
34th
84th
277th
119th
28th
25th
36th
54th
72nd
61st
63rd
31st
63rd
31st
28th
64th
186th
68th
185th
9th
52nd
34th
59th
188th
Fizz Buzz
119th
33rd
26th
1st
8th
43rd
11th
30th
516th
54th
Foo Fizz Buzz Bar
11th
12th
25th
3rd
19th
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
16th
11th
22nd
4th
14th
Happy Numbers (Long)
8th
10th
19th
4th
16th
Hexdump
Intersection
Inventory Sequence
8th
7th
17th
10th
11th
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
8th
8th
4th
6th
11th
Kolakoski Sequence
17th
12th
12th
11th
10th
Leap Years
23rd
13th
3rd
5th
21st
Levenshtein Distance
Leyland Numbers
7th
9th
6th
5th
9th
ln 2
Look and Say
9th
11th
11th
4th
11th
Lucky Numbers
7th
8th
8th
5th
10th
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
21st
16th
9th
8th
22nd
23rd
26th
66th
101st
38th
24th
19th
27th
45th
34th
25th
32nd
18th
24th
23rd
Niven Numbers (Long)
9th
11th
16th
4th
17th
Number Spiral
5th
8th
9th
6th
11th
Odious Numbers
22nd
18th
13th
6th
19th
Odious Numbers (Long)
11th
13th
12th
5th
17th
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
9th
8th
11th
4th
15th
Pernicious Numbers
15th
17th
19th
17th
21st
Pernicious Numbers (Long)
7th
10th
15th
4th
12th
Poker
5th
Polyominoes
Prime Numbers
29th
15th
16th
5th
24th
Prime Numbers (Long)
17th
11th
20th
5th
20th
Proximity Grid
QR Decoder
Quine
1st
Recamán
12th
9th
10th
8th
10th
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
5th
8th
4th
4th
11th
Seven Segment
SI Units
Sierpiński Triangle
7th
11th
13th
4th
14th
Smith Numbers
10th
9th
7th
5th
11th
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
10th
11th
8th
7th
10th
Transpose Sentence
United States
Vampire Numbers
11th
10th
7th
3rd
10th
Van Eck Sequence
8th
10th
12th
10th
11th
Zeckendorf Representation
Zodiac Signs
γ
λ
11th
10th
3rd
8th
15th
π
13th
12th
7th
9th
7th
τ
11th
10th
5th
8th
5th
φ
13th
9th
7th
7th
4th
√2
20th
8th
5th
9th
13th
𝑒
13th
11th
10th
11th
6th