12 Days of Christmas
19th50th22nd24th14th
17th8th
9th
13th14th30th9th
10th35th43rd
11th9th10th7th
17th
84th
73rd
8th
26th12th
17th
24 Game
8th
8th
9th
8th
99 Bottles of Beer
26th
63rd
24th
11th
34th
5th
10th
99th
17th
Abundant Numbers
19th
22nd
15th
32nd
8th
Abundant Numbers (Long)
28th
20th
14th
36th
Arabic to Roman
11th1st
26th
15th
Arithmetic Numbers
27th
112th
24th
Arrows
23rd
65th
Ascending Primes
9th
12th32nd
2nd
9th
56th
21st
3rd
ASCII Table
9th
23rd
49th
1st
12th
1st
37th
brainfuck
23rd
21st
69th
Catalan Numbers
32nd
10th
1st
Catalan’s Constant
17th
24th
1st
6th
103rd
Christmas Trees
38th
23rd
54th
10th
107th
27th
Collatz
33rd
4th
136th
CSS Colors
23rd
1st6th
32nd
75th
Cubes
14th
9th
80th
5th
20th
7th
Day of Week
35th
1st
105th
DFA Simulator
18th
39th
Diamonds
25th
8th
72nd
32nd
8th
19th
110th
Divisors
11th
27th
37th
16th
1st
34th
Emirp Numbers
13th
7th
24th
32nd
Emirp Numbers (Long)
32nd
7th
132nd
14th
39th
Emojify
18th
4th
50th
Evil Numbers
5th
67th
1st
13th
1st
25th
16th
Evil Numbers (Long)
21st
38th
1st
15th
43rd
11th
Factorial Factorisation
10th
10th
19th
27th
33rd
Farey Sequence
13th
21st
20th
Fibonacci
31st
9th
29th14th149th63rd
5th
30th
1st42nd
25th
79th1st34th
1st
42nd28th31st
1st
35th
9th71st
36th
1st
Fizz Buzz
59th
1st
1st
1st
10th
9th
1st
85th
Foo Fizz Buzz Bar
30th
16th
1st
Forsyth–Edwards Notation
20th
47th
Fractions
30th
18th
86th
1st
Game of Life
25th
7th
88th
Gijswijt’s Sequence
19th
63rd
Happy Numbers
9th
75th
11th
1st
9th
Happy Numbers (Long)
15th
10th
25th
Hexdump
13th
10th
1st
Intersection
26th
24th
70th
7th
Inventory Sequence
11th
19th
11th
54th
ISBN
9th
34th
23rd
Jacobi Symbol
23rd
1st
85th
Kolakoski Constant
16th
14th
6th
43rd
5th
8th
Kolakoski Sequence
28th
22nd
9th
84th
54th
Leap Years
7th
15th
6th
6th
22nd
6th
84th
18th
77th
Levenshtein Distance
39th
1st
1st
30th19th
26th
Leyland Numbers
4th
9th
8th
ln 2
1st
1st
1st
Look and Say
18th
111th
9th
14th
26th
Lucky Numbers
16th
75th
8th
8th
36th
Lucky Tickets
29th
70th
Mahjong
Maze
24th
75th
Medal Tally
9th
12th
Morse Decoder
22nd
84th
Morse Encoder
2nd
4th
Musical Chords
13th20th
21st
8th
61st
Niven Numbers
22nd
1st
48th
22nd
1st
Niven Numbers (Long)
20th
42nd
15th
52nd
Number Spiral
14th10th
16th
22nd
26th
6th
48th
5th
Odious Numbers
4th
60th
1st
14th
1st
20th
Odious Numbers (Long)
5th
36th
1st
13th
1st
12th
Ordinal Numbers
4th
7th
1st
Pangram Grep
22nd
36th64th
49th
244th
14th
44th
46th
19th
109th
40th
Pascal’s Triangle
29th
11th
1st
14th57th
1st
18th
Pernicious Numbers
43rd
1st
18th
209th
51st
Pernicious Numbers (Long)
33rd
1st
12th
111th
17th
Poker
11th
22nd
Prime Numbers
12th
43rd32nd
20th
1st
12th
1st
30th
7th
Prime Numbers (Long)
20th
22nd
1st
16th
64th
Proximity Grid
26th
97th
QR Decoder
17th
54th
Quine
1st20th26th1st25th11th2nd107th139th80th23rd12th2nd1st23rd31st4th1st12th30th1st
1st
79th3rd5th10th92nd185th69th
1st24th1st1st1st61st
40th1st4th80th
1st109th
5th1st8th13th6th31st
28th
Recamán
13th
9th
8th
Repeating Decimals
1st
Reverse Polish Notation
26th
1st
66th
112th
Rijndael S-box
48th
14th
9th
5th
37th
2nd
Rock-paper-scissors-Spock-lizard
18th
20th
120th
89th
Roman to Arabic
25th
8th
35th
14th
Rule 110
13th29th
12th
10th
26th
42nd
Seven Segment
18th
44th
18th
SI Units
9th
26th
Sierpiński Triangle
12th32nd
14th
18th
10th
51st
12th
Smith Numbers
9th
17th
10th
42nd
Spelling Numbers
29th1st
160th
Star Wars Opening Crawl
19th
49th
20th
Sudoku
8th
17th
Sudoku (Fill-in)
18th
60th
Ten-pin Bowling
20th
58th
Time Distance
16th
30th
Tongue-twisters
16th
14th
33rd
10th
19th
19th
4th
14th
United States
13th
17th1st
Vampire Numbers
8th
6th
24th
Van Eck Sequence
7th
9th
15th
64th
11th
1st
8th
Zodiac Signs
27th
109th
γ
18th
1st
7th
5th
λ
23rd
9th
21st35th
53rd6th
8th
35th
5th
6th
π
29th
12th
1st
6th
4th27th
19th
20th
7th
τ
22nd
19th
53rd
6th
4th
48th
6th
φ
15th
36th
1st
6th
1st
183rd
6th
√2
27th
1st
6th
1st
1st
6th
𝑒
27th
1st
1st
6th
29th
1st43rd16th
6th