12 Days of Christmas
10th15th41st26th23rd13th
7th3rd
10th
12th10th28th8th
9th29th86th
10th10th9th6th
18th
87th
16th
12th
34th11th
14th
24 Game
8th
7th
7th
4th
7th
99 Bottles of Beer
23rd
53rd
27th
10th
16th
5th
4th
22nd
18th
Abundant Numbers
9th
20th
14th
27th
8th
Abundant Numbers (Long)
27th
19th
12th
13th
Arabic to Roman
20th1st
41st
12th
Arithmetic Numbers
6th
88th
10th
Arrows
12th
26th
Ascending Primes
8th
10th28th
2nd
7th
41st
16th
1st
ASCII Table
19th
44th
1st
9th
1st
15th
brainfuck
20th
10th
20th
Catalan Numbers
24th
8th
1st
Catalan’s Constant
14th
17th
1st
5th
52nd
Christmas Trees
29th
15th
50th
9th
43rd
25th
Collatz
31st
7th
93rd
CSS Colors
19th
1st5th
28th
37th
Cubes
13th
5th
74th
4th
10th
6th
Day of Week
17th
1st
30th
DFA Simulator
10th
14th
Diamonds
21st
6th
60th
30th
7th
14th
92nd
Divisors
11th
25th
35th
17th
1st
25th
Emirp Numbers
15th
6th
11th
27th
Emirp Numbers (Long)
13th
7th
39th
16th
31st
Emojify
12th
4th
26th
Evil Numbers
8th
63rd
1st
12th
1st
21st
13th
Evil Numbers (Long)
17th
34th
1st
15th
33rd
16th
Factorial Factorisation
9th
6th
14th
12th
23rd
Farey Sequence
9th
16th
14th
Fibonacci
36th
9th
27th47th125th51st
5th
30th
18th36th
29th
1st1st32nd
1st
40th27th27th
1st
54th
7th59th
31st
1st
Fizz Buzz
54th
11th
4th
1st
9th
9th
16th
78th
Foo Fizz Buzz Bar
8th
12th
14th
Forsyth–Edwards Notation
13th
20th
Fractions
13th
14th
26th
1st
Game of Life
13th
6th
27th
Gijswijt’s Sequence
11th
19th
Happy Numbers
10th
61st
9th
29th
9th
Happy Numbers (Long)
21st
8th
13th
Hexdump
13th
6th
10th
Intersection
32nd
13th
23rd
6th
Inventory Sequence
9th
9th
8th
22nd
ISBN
9th
30th
10th
Jacobi Symbol
14th
1st
32nd
Kolakoski Constant
14th
8th
5th
24th
3rd
7th
Kolakoski Sequence
23rd
17th
7th
47th
48th
Leap Years
5th
12th
5th
1st
19th
5th
74th
13th
65th
Levenshtein Distance
36th
18th
15th
20th13th
21st
Leyland Numbers
1st
8th
1st
ln 2
1st
1st
1st
Look and Say
9th
100th
9th
14th
10th
Lucky Numbers
9th
58th
8th
7th
12th
Lucky Tickets
15th
23rd
Mahjong
Maze
12th
23rd
Medal Tally
16th
6th
Morse Decoder
16th
36th
Morse Encoder
3rd
2nd
Musical Chords
12th16th
13th
6th
24th
Niven Numbers
20th
17th
39th
17th
1st
Niven Numbers (Long)
16th
34th
12th
50th
Number Spiral
13th9th
19th
19th
17th
5th
21st
5th
Odious Numbers
9th
52nd
1st
12th
1st
24th
Odious Numbers (Long)
9th
30th
1st
13th
1st
16th
Ordinal Numbers
13th
3rd
1st
Pangram Grep
12th
26th46th
41st
214th
11th
40th
19th
17th
98th
33rd
Pascal’s Triangle
28th
11th
1st
13th43rd
15th
20th
Pernicious Numbers
38th
1st
14th
176th
35th
Pernicious Numbers (Long)
26th
1st
10th
55th
15th
Poker
5th
10th
Prime Numbers
11th
40th30th
16th
1st
12th
1st
18th
7th
Prime Numbers (Long)
19th
23rd
1st
13th
43rd
Proximity Grid
17th
33rd
QR Decoder
10th
16th
Quine
1st23rd1st18th9th2nd97th133rd71st21st12th7th1st22nd27th4th1st12th26th1st
1st
74th3rd4th9th72nd182nd62nd
1st21st1st1st1st56th
38th1st4th77th
1st100th
5th1st8th12th6th27th
24th24th
Recamán
8th
8th
15th
Repeating Decimals
4th
Reverse Polish Notation
25th
1st
62nd
52nd
Rijndael S-box
35th
8th
7th
5th
13th
2nd
Rock-paper-scissors-Spock-lizard
14th
14th
118th
33rd
Roman to Arabic
8th
7th
20th
14th
Rule 110
12th26th
6th
9th
8th
38th
Seven Segment
12th
21st
17th
SI Units
5th
7th
Sierpiński Triangle
10th30th
9th
18th
8th
26th
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
8th
10th
Tongue-twisters
12th
15th
9th
16th
25th
4th
16th
United States
8th
9th1st
Vampire Numbers
2nd
5th
5th
Van Eck Sequence
6th
7th
12th
57th
8th
1st
6th
Zodiac Signs
12th
29th
γ
12th
1st
6th
4th
λ
21st
9th
7th32nd
47th4th
6th
12th
3rd
5th
π
24th
11th
1st
6th
4th25th
9th
22nd
6th
τ
20th
14th
45th
6th
4th
26th
5th
φ
14th
34th
1st
6th
1st
183rd
5th
√2
25th
1st
6th
1st
1st
5th
𝑒
24th
1st
1st
5th
26th
1st31st15th
6th