12 Days of Christmas
19th50th22nd24th14th
18th9th
10th
13th14th30th9th
10th35th43rd
11th9th10th7th
17th
84th
76th
9th
26th12th
17th
24 Game
8th
8th
9th
8th
99 Bottles of Beer
26th
63rd
24th
11th
34th
5th
10th
100th
17th
Abundant Numbers
19th
22nd
15th
33rd
8th
Abundant Numbers (Long)
28th
20th
14th
36th
Arabic to Roman
11th1st
27th
15th
Arithmetic Numbers
27th
114th
26th
Arrows
23rd
66th
Ascending Primes
9th
12th31st
2nd
9th
56th
21st
3rd
ASCII Table
9th
23rd
51st
1st
12th
1st
37th
brainfuck
23rd
21st
70th
Catalan Numbers
33rd
10th
1st
Catalan’s Constant
17th
24th
1st
6th
105th
Christmas Trees
38th
23rd
54th
10th
108th
27th
Collatz
33rd
4th
138th
CSS Colors
23rd
1st6th
33rd
77th
Cubes
14th
9th
81st
5th
23rd
7th
Day of Week
35th
1st
106th
DFA Simulator
18th
40th
Diamonds
25th
8th
72nd
32nd
8th
21st
111th
Divisors
11th
27th
38th
16th
1st
34th
Emirp Numbers
12th
7th
25th
32nd
Emirp Numbers (Long)
31st
7th
135th
14th
39th
Emojify
18th
4th
51st
Evil Numbers
5th
67th
1st
13th
1st
25th
16th
Evil Numbers (Long)
21st
38th
1st
16th
44th
11th
Factorial Factorisation
10th
10th
19th
29th
33rd
Farey Sequence
13th
21st
20th
Fibonacci
31st
9th
29th4th149th67th
5th
30th
1st42nd
25th
80th1st34th
1st
43rd30th32nd
1st
35th
10th71st
37th
1st
Fizz Buzz
59th
1st
1st
1st
10th
9th
1st
85th
Foo Fizz Buzz Bar
30th
16th
1st
Forsyth–Edwards Notation
20th
48th
Fractions
30th
18th
89th
1st
Game of Life
25th
7th
89th
Gijswijt’s Sequence
19th
65th
Happy Numbers
9th
76th
11th
1st
9th
Happy Numbers (Long)
15th
10th
26th
Hexdump
13th
10th
1st
Intersection
26th
24th
70th
7th
Inventory Sequence
11th
19th
11th
55th
ISBN
9th
34th
24th
Jacobi Symbol
23rd
1st
86th
Kolakoski Constant
16th
15th
6th
46th
4th
8th
Kolakoski Sequence
28th
22nd
9th
86th
56th
Leap Years
7th
15th
6th
6th
22nd
6th
86th
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
28th
Lucky Numbers
16th
76th
8th
8th
39th
Lucky Tickets
29th
72nd
Mahjong
Maze
24th
74th
Medal Tally
9th
12th
Morse Decoder
22nd
85th
Morse Encoder
2nd
5th
Musical Chords
13th20th
21st
8th
63rd
Niven Numbers
22nd
1st
48th
22nd
1st
Niven Numbers (Long)
20th
42nd
15th
53rd
Number Spiral
14th10th
16th
22nd
26th
6th
50th
5th
Odious Numbers
4th
60th
1st
15th
1st
20th
Odious Numbers (Long)
5th
36th
1st
14th
1st
12th
Ordinal Numbers
4th
7th
1st
Pangram Grep
22nd
36th64th
50th
245th
14th
44th
48th
20th
109th
40th
Pascal’s Triangle
29th
11th
1st
14th57th
1st
18th
Pernicious Numbers
43rd
1st
18th
211th
51st
Pernicious Numbers (Long)
33rd
1st
12th
113th
17th
Poker
11th
23rd
Prime Numbers
12th
43rd33rd
20th
1st
12th
1st
30th
7th
Prime Numbers (Long)
20th
22nd
1st
16th
65th
Proximity Grid
26th
99th
QR Decoder
18th
55th
Quine
1st20th26th1st25th11th2nd107th141st81st23rd12th2nd1st24th33rd4th2nd12th30th1st
1st
79th3rd5th10th93rd185th69th
1st24th1st1st1st61st
40th1st4th80th
1st109th
5th1st8th13th6th31st
28th
Recamán
13th
9th
8th
Repeating Decimals
1st
Reverse Polish Notation
26th
1st
66th
114th
Rijndael S-box
48th
14th
9th
5th
38th
2nd
Rock-paper-scissors-Spock-lizard
19th
21st
120th
91st
Roman to Arabic
25th
8th
36th
14th
Rule 110
13th29th
12th
10th
26th
42nd
Seven Segment
18th
46th
18th
SI Units
9th
27th
Sierpiński Triangle
12th28th
14th
18th
10th
52nd
12th
Smith Numbers
9th
17th
10th
43rd
Spelling Numbers
29th1st
161st
Star Wars Opening Crawl
19th
50th
20th
Sudoku
8th
18th
Sudoku (Fill-in)
18th
61st
Ten-pin Bowling
20th
60th
Time Distance
16th
31st
Tongue-twisters
17th
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
9th
Zodiac Signs
27th
110th
γ
18th
1st
7th
5th
λ
23rd
9th
21st35th
53rd6th
8th
36th
5th
6th
π
29th
12th
1st
6th
4th27th
20th
20th
7th
τ
22nd
19th
53rd
6th
4th
50th
6th
φ
15th
36th
1st
6th
1st
184th
6th
√2
27th
1st
6th
1st
1st
6th
𝑒
27th
1st
1st
6th
29th
1st43rd16th
6th