12 Days of Christmas
10th14th46th25th23rd13th
6th3rd
10th
11th10th28th8th
9th29th84th
10th10th9th6th
18th
85th
15th
12th
33rd10th
14th
24 Game
8th
7th
6th
4th
7th
99 Bottles of Beer
23rd
53rd
27th
10th
16th
5th
4th
22nd
18th
Abundant Numbers
9th
20th
13th
27th
8th
Abundant Numbers (Long)
27th
19th
12th
13th
Arabic to Roman
19th1st
41st
12th
Arithmetic Numbers
5th
84th
13th
Arrows
12th
25th
Ascending Primes
8th
10th28th
2nd
6th
39th
15th
1st
ASCII Table
18th
43rd
1st
9th
1st
15th
brainfuck
20th
9th
20th
Catalan Numbers
22nd
7th
1st
Catalan’s Constant
14th
15th
1st
5th
50th
Christmas Trees
29th
14th
50th
9th
42nd
25th
Collatz
31st
7th
87th
CSS Colors
19th
1st5th
28th
37th
Cubes
13th
5th
73rd
4th
10th
6th
Day of Week
17th
1st
28th
DFA Simulator
10th
14th
Diamonds
21st
6th
60th
29th
7th
13th
91st
Divisors
11th
24th
34th
16th
1st
25th
Emirp Numbers
15th
6th
11th
27th
Emirp Numbers (Long)
13th
7th
36th
16th
31st
Emojify
12th
4th
24th
Evil Numbers
8th
62nd
1st
11th
1st
21st
12th
Evil Numbers (Long)
16th
32nd
1st
14th
32nd
16th
Factorial Factorisation
9th
6th
14th
11th
22nd
Farey Sequence
8th
16th
14th
Fibonacci
36th
8th
27th43rd125th50th
5th
30th
18th35th
29th
1st1st32nd
1st
39th27th27th
1st
53rd
7th58th
31st
1st
Fizz Buzz
54th
11th
4th
1st
8th
8th
16th
77th
Foo Fizz Buzz Bar
8th
12th
14th
Forsyth–Edwards Notation
13th
20th
Fractions
13th
14th
25th
1st
Game of Life
12th
6th
26th
Gijswijt’s Sequence
11th
19th
Happy Numbers
10th
58th
8th
29th
9th
Happy Numbers (Long)
21st
8th
13th
Hexdump
12th
6th
10th
Intersection
31st
13th
21st
6th
Inventory Sequence
9th
8th
8th
20th
ISBN
9th
30th
10th
Jacobi Symbol
14th
1st
31st
Kolakoski Constant
14th
8th
5th
24th
3rd
7th
Kolakoski Sequence
23rd
17th
7th
46th
48th
Leap Years
5th
12th
5th
1st
19th
4th
74th
12th
63rd
Levenshtein Distance
36th
17th
14th
20th13th
20th
Leyland Numbers
1st
8th
1st
ln 2
1st
1st
1st
Look and Say
8th
96th
9th
14th
10th
Lucky Numbers
9th
56th
8th
7th
12th
Lucky Tickets
15th
22nd
Mahjong
Maze
11th
21st
Medal Tally
16th
6th
Morse Decoder
16th
35th
Morse Encoder
3rd
2nd
Musical Chords
12th16th
13th
6th
23rd
Niven Numbers
20th
17th
39th
15th
1st
Niven Numbers (Long)
16th
34th
11th
49th
Number Spiral
13th9th
18th
19th
17th
5th
21st
5th
Odious Numbers
9th
51st
1st
11th
1st
24th
Odious Numbers (Long)
9th
28th
1st
12th
1st
16th
Ordinal Numbers
13th
3rd
1st
Pangram Grep
12th
26th45th
41st
211th
11th
39th
17th
17th
97th
32nd
Pascal’s Triangle
28th
11th
1st
12th43rd
15th
20th
Pernicious Numbers
37th
1st
13th
169th
34th
Pernicious Numbers (Long)
26th
1st
10th
51st
15th
Poker
5th
10th
Prime Numbers
11th
39th29th
15th
1st
11th
1st
17th
7th
Prime Numbers (Long)
18th
21st
1st
13th
42nd
Proximity Grid
17th
31st
QR Decoder
10th
16th
Quine
1st23rd1st17th9th2nd96th132nd71st20th11th7th1st21st27th4th1st12th25th1st
1st
74th3rd2nd9th71st179th62nd
1st20th1st1st1st55th
37th1st4th75th
1st99th
5th1st8th12th6th24th
23rd24th
Recamán
8th
8th
15th
Repeating Decimals
4th
Reverse Polish Notation
24th
1st
61st
51st
Rijndael S-box
33rd
8th
7th
5th
13th
2nd
Rock-paper-scissors-Spock-lizard
13th
14th
115th
32nd
Roman to Arabic
8th
7th
20th
14th
Rule 110
11th25th
6th
9th
8th
38th
Seven Segment
12th
21st
17th
SI Units
5th
7th
Sierpiński Triangle
10th30th
9th
18th
8th
24th
13th
Smith Numbers
9th
9th
8th
16th
Spelling Numbers
20th1st
36th
Star Wars Opening Crawl
10th
14th
19th
Sudoku
4th
6th
Sudoku (Fill-in)
9th
19th
Ten-pin Bowling
9th
21st
Time Distance
7th
10th
Tongue-twisters
12th
14th
8th
15th
24th
4th
16th
United States
8th
9th1st
Vampire Numbers
2nd
5th
5th
Van Eck Sequence
6th
7th
12th
56th
8th
1st
6th
Zodiac Signs
12th
29th
γ
12th
1st
6th
4th
λ
21st
9th
7th31st
45th4th
6th
12th
3rd
5th
π
24th
11th
1st
6th
4th25th
8th
22nd
6th
τ
20th
14th
45th
6th
4th
24th
5th
φ
14th
34th
1st
6th
1st
178th
5th
√2
25th
1st
6th
1st
1st
5th
𝑒
24th
1st
1st
5th
25th
1st31st15th
6th