12 Days of Christmas
10th15th46th21st22nd13th
18th6th
9th
13th11th29th9th
9th29th41st
9th7th9th6th
17th
82nd
56th
8th
25th11th
16th
24 Game
8th
7th
8th
6th
7th
99 Bottles of Beer
23rd
57th
19th
10th
33rd
5th
10th
78th
17th
Abundant Numbers
18th
21st
14th
26th
8th
Abundant Numbers (Long)
23rd
20th
12th
28th
Arabic to Roman
11th1st
22nd
15th
Arithmetic Numbers
24th
92nd
23rd
Arrows
18th
46th
Ascending Primes
8th
10th29th
2nd
7th
46th
16th
1st
ASCII Table
8th
19th
45th
1st
9th
1st
34th
brainfuck
22nd
19th
55th
Catalan Numbers
26th
8th
1st
Catalan’s Constant
14th
21st
1st
5th
87th
Christmas Trees
29th
20th
50th
9th
84th
26th
Collatz
28th
4th
112th
CSS Colors
21st
1st5th
29th
65th
Cubes
13th
9th
76th
4th
18th
6th
Day of Week
30th
1st
79th
DFA Simulator
18th
35th
Diamonds
21st
7th
62nd
30th
7th
16th
96th
Divisors
11th
25th
33rd
17th
1st
33rd
Emirp Numbers
11th
6th
17th
32nd
Emirp Numbers (Long)
28th
7th
117th
14th
33rd
Emojify
16th
4th
40th
Evil Numbers
5th
65th
1st
12th
1st
24th
13th
Evil Numbers (Long)
17th
35th
1st
15th
33rd
11th
Factorial Factorisation
9th
10th
14th
21st
23rd
Farey Sequence
13th
19th
15th
Fibonacci
31st
9th
27th8th133rd54th
4th
30th
1st36th
25th
1st1st32nd
1st
42nd28th27th
1st
30th
7th61st
32nd
1st
Fizz Buzz
57th
1st
1st
1st
9th
9th
1st
81st
Foo Fizz Buzz Bar
27th
12th
1st
Forsyth–Edwards Notation
18th
37th
Fractions
27th
14th
61st
1st
Game of Life
22nd
6th
71st
Gijswijt’s Sequence
15th
50th
Happy Numbers
8th
65th
9th
1st
9th
Happy Numbers (Long)
15th
9th
18th
Hexdump
13th
7th
1st
Intersection
24th
22nd
56th
6th
Inventory Sequence
9th
19th
9th
44th
ISBN
9th
31st
18th
Jacobi Symbol
19th
1st
68th
Kolakoski Constant
14th
13th
5th
38th
3rd
7th
Kolakoski Sequence
23rd
19th
7th
70th
48th
Leap Years
5th
13th
5th
1st
19th
5th
76th
13th
65th
Levenshtein Distance
37th
1st
1st
21st13th
21st
Leyland Numbers
4th
8th
7th
ln 2
1st
1st
1st
Look and Say
16th
104th
9th
14th
21st
Lucky Numbers
14th
61st
7th
7th
20th
Lucky Tickets
19th
46th
Mahjong
Maze
19th
58th
Medal Tally
9th
8th
Morse Decoder
22nd
66th
Morse Encoder
2nd
2nd
Musical Chords
12th16th
15th
6th
41st
Niven Numbers
20th
1st
40th
18th
1st
Niven Numbers (Long)
17th
35th
12th
37th
Number Spiral
13th9th
15th
19th
17th
5th
36th
5th
Odious Numbers
4th
56th
1st
12th
1st
19th
Odious Numbers (Long)
5th
33rd
1st
13th
1st
11th
Ordinal Numbers
13th
4th
1st
Pangram Grep
21st
29th51st
45th
223rd
13th
41st
36th
17th
99th
37th
Pascal’s Triangle
27th
11th
1st
13th47th
1st
17th
Pernicious Numbers
38th
1st
15th
182nd
46th
Pernicious Numbers (Long)
29th
1st
10th
88th
18th
Poker
7th
13th
Prime Numbers
11th
41st29th
19th
1st
12th
1st
27th
7th
Prime Numbers (Long)
20th
20th
1st
14th
48th
Proximity Grid
23rd
76th
QR Decoder
15th
40th
Quine
1st19th23rd1st21st9th2nd99th133rd73rd21st12th2nd1st22nd28th4th1st12th27th1st
1st
76th3rd4th9th78th184th64th
1st21st1st1st1st58th
40th1st4th77th
1st104th
5th1st8th13th6th27th
25th
Recamán
13th
8th
4th
Repeating Decimals
1st
Reverse Polish Notation
25th
1st
62nd
95th
Rijndael S-box
38th
13th
7th
4th
24th
2nd
Rock-paper-scissors-Spock-lizard
17th
16th
116th
78th
Roman to Arabic
22nd
7th
32nd
14th
Rule 110
12th27th
11th
9th
21st
37th
Seven Segment
17th
35th
17th
SI Units
6th
14th
Sierpiński Triangle
11th31st
14th
18th
8th
40th
12th
Smith Numbers
9th
15th
8th
31st
Spelling Numbers
29th1st
141st
Star Wars Opening Crawl
18th
40th
18th
Sudoku
8th
13th
Sudoku (Fill-in)
16th
47th
Ten-pin Bowling
17th
44th
Time Distance
15th
20th
Tongue-twisters
12th
12th
30th
6th
17th
15th
4th
10th
United States
13th
11th1st
Vampire Numbers
6th
5th
18th
Van Eck Sequence
6th
8th
12th
60th
8th
1st
6th
Zodiac Signs
24th
86th
γ
12th
1st
6th
5th
λ
21st
9th
10th32nd
49th5th
6th
21st
4th
5th
π
24th
9th
1st
6th
4th25th
13th
20th
6th
τ
20th
16th
47th
6th
4th
40th
5th
φ
14th
33rd
1st
6th
1st
168th
5th
√2
25th
1st
6th
1st
1st
5th
𝑒
24th
1st
1st
5th
28th
1st34th15th
6th