12 Days of Christmas
10th15th43rd26th23rd13th
7th3rd
10th
13th11th29th9th
9th31st89th
10th13th9th6th
18th
88th
16th
12th
34th11th
16th
24 Game
8th
7th
7th
4th
7th
99 Bottles of Beer
23rd
58th
28th
11th
16th
5th
4th
22nd
18th
Abundant Numbers
10th
21st
14th
27th
8th
Abundant Numbers (Long)
30th
20th
12th
14th
Arabic to Roman
22nd1st
43rd
12th
Arithmetic Numbers
6th
92nd
11th
Arrows
12th
26th
Ascending Primes
8th
10th29th
2nd
7th
46th
16th
1st
ASCII Table
19th
45th
1st
9th
1st
16th
brainfuck
22nd
11th
21st
Catalan Numbers
26th
8th
1st
Catalan’s Constant
14th
17th
1st
5th
53rd
Christmas Trees
29th
15th
50th
9th
45th
25th
Collatz
31st
7th
95th
CSS Colors
18th
1st5th
29th
40th
Cubes
13th
5th
81st
4th
10th
6th
Day of Week
19th
1st
38th
DFA Simulator
10th
14th
Diamonds
21st
6th
62nd
30th
7th
14th
97th
Divisors
11th
26th
35th
17th
1st
25th
Emirp Numbers
16th
6th
12th
27th
Emirp Numbers (Long)
15th
7th
42nd
16th
34th
Emojify
13th
4th
27th
Evil Numbers
8th
65th
1st
12th
1st
21st
13th
Evil Numbers (Long)
17th
35th
1st
15th
33rd
17th
Factorial Factorisation
9th
6th
14th
12th
25th
Farey Sequence
9th
16th
15th
Fibonacci
37th
9th
28th47th133rd54th
6th
30th
19th36th
29th
25th1st32nd
1st
42nd28th27th
1st
55th
7th61st
32nd
1st
Fizz Buzz
57th
13th
5th
1st
9th
9th
20th
80th
Foo Fizz Buzz Bar
10th
12th
17th
Forsyth–Edwards Notation
13th
21st
Fractions
14th
14th
28th
1st
Game of Life
14th
6th
27th
Gijswijt’s Sequence
11th
19th
Happy Numbers
10th
65th
9th
31st
9th
Happy Numbers (Long)
21st
9th
14th
Hexdump
13th
7th
10th
Intersection
33rd
13th
23rd
6th
Inventory Sequence
9th
9th
9th
22nd
ISBN
9th
31st
10th
Jacobi Symbol
14th
1st
33rd
Kolakoski Constant
14th
8th
5th
25th
3rd
7th
Kolakoski Sequence
23rd
17th
7th
50th
48th
Leap Years
5th
13th
5th
1st
19th
5th
76th
13th
65th
Levenshtein Distance
37th
21st
16th
21st13th
21st
Leyland Numbers
1st
8th
1st
ln 2
1st
1st
1st
Look and Say
10th
104th
9th
14th
11th
Lucky Numbers
10th
61st
8th
7th
12th
Lucky Tickets
16th
26th
Mahjong
Maze
13th
25th
Medal Tally
17th
6th
Morse Decoder
16th
36th
Morse Encoder
3rd
2nd
Musical Chords
12th16th
13th
6th
25th
Niven Numbers
20th
20th
40th
19th
1st
Niven Numbers (Long)
17th
35th
12th
54th
Number Spiral
13th9th
19th
20th
17th
5th
21st
5th
Odious Numbers
9th
56th
1st
12th
1st
24th
Odious Numbers (Long)
9th
33rd
1st
13th
1st
17th
Ordinal Numbers
13th
3rd
1st
Pangram Grep
14th
29th51st
46th
223rd
13th
41st
22nd
17th
99th
37th
Pascal’s Triangle
27th
12th
1st
13th47th
18th
20th
Pernicious Numbers
38th
1st
15th
186th
35th
Pernicious Numbers (Long)
27th
1st
10th
60th
16th
Poker
5th
10th
Prime Numbers
11th
41st32nd
17th
1st
12th
1st
18th
7th
Prime Numbers (Long)
20th
24th
1st
14th
48th
Proximity Grid
18th
34th
QR Decoder
10th
16th
Quine
1st23rd1st21st9th2nd99th133rd73rd21st12th8th1st22nd28th4th1st12th27th1st
1st
76th3rd4th9th80th184th64th
1st21st1st1st1st58th
40th1st4th77th
1st105th
5th1st8th13th6th27th
25th
Recamán
8th
9th
15th
Repeating Decimals
4th
Reverse Polish Notation
28th
1st
63rd
55th
Rijndael S-box
38th
8th
7th
6th
13th
2nd
Rock-paper-scissors-Spock-lizard
14th
14th
121st
35th
Roman to Arabic
8th
7th
20th
15th
Rule 110
12th27th
6th
9th
8th
39th
Seven Segment
14th
22nd
17th
SI Units
5th
7th
Sierpiński Triangle
11th31st
10th
18th
8th
28th
13th
Smith Numbers
9th
9th
8th
16th
Spelling Numbers
21st1st
38th
Star Wars Opening Crawl
10th
15th
20th
Sudoku
4th
6th
Sudoku (Fill-in)
9th
20th
Ten-pin Bowling
9th
24th
Time Distance
9th
12th
Tongue-twisters
12th
16th
9th
17th
25th
4th
16th
United States
8th
9th1st
Vampire Numbers
2nd
5th
5th
Van Eck Sequence
6th
7th
12th
60th
8th
1st
6th
Zodiac Signs
14th
30th
γ
12th
1st
6th
5th
λ
21st
9th
7th32nd
49th4th
6th
12th
4th
5th
π
24th
11th
1st
6th
4th26th
9th
22nd
6th
τ
20th
15th
46th
6th
4th
26th
5th
φ
14th
36th
1st
6th
1st
194th
5th
√2
25th
1st
6th
1st
1st
5th
𝑒
24th
1st
1st
5th
28th
1st34th15th
6th