12 Days of Christmas
6th
6th
23rd
6th
42nd
8th
99 Bottles of Beer
6th
27th
23rd
9th
32nd
Abundant Numbers
5th
15th
36th
14th
37th
22nd
12th
10th
17th
25th
49th
8th
Abundant Numbers (Long)
15th
15th
18th
8th
61st
Arabic to Roman
22nd
15th
20th
7th
55th
17th
Arithmetic Numbers
1st
Arrows
20th
11th
45th
Ascending Primes
19th
ASCII Table
41st
17th
3rd
43rd
brainfuck
27th
10th
5th
23rd
Catalan Numbers
27th
1st
1st
1st
Catalan’s Constant
9th
9th
Christmas Trees
10th
4th
3rd
11th
17th
40th
27th
Collatz
8th
3rd
12th
21st
3rd
1st
20th
30th
CSS Colors
6th
6th
6th
11th
19th
Cubes
21st
5th
5th
38th
Day of Week
1st
Diamonds
31st
19th
12th
26th
28th
Divisors
12th
33rd
24th
18th
32nd
12th
22nd
1st
1st
35th
8th
Emirp Numbers
4th
22nd
14th
6th
11th
12th
20th
58th
29th
6th
Emirp Numbers (Long)
10th
7th
10th
Emojify
14th
36th
Evil Numbers
13th
12th
10th
18th
43rd
7th
13th
1st
28th
7th
13th
Evil Numbers (Long)
26th
12th
11th
29th
Factorial Factorisation
8th
Farey Sequence
21st
Fibonacci
30th
1st
31st
2nd
1st
16th
125th
23rd
1st
1st
38th
1st
6th
1st
14th
Fizz Buzz
6th
19th
116th
86th
56th
15th
87th
92nd
116th
1st
43rd
8th
88th
28th
3rd
68th
11th
Foo Fizz Buzz Bar
44th
33rd
27th
38th
26th
12th
10th
29th
Forsyth–Edwards Notation
11th
Fractions
29th
24th
19th
35th
1st
Game of Life
6th
Gijswijt’s Sequence
6th
Happy Numbers
3rd
36th
25th
18th
11th
38th
20th
14th
23rd
47th
9th
Happy Numbers (Long)
19th
15th
5th
28th
6th
9th
14th
31st
Hexdump
2nd
25th
Intersection
8th
14th
2nd
15th
Inventory Sequence
28th
20th
3rd
ISBN
8th
11th
5th
29th
Jacobi Symbol
7th
6th
7th
4th
20th
Kolakoski Constant
4th
5th
2nd
3rd
15th
Kolakoski Sequence
6th
11th
6th
5th
8th
37th
16th
3rd
Leap Years
21st
4th
14th
3rd
14th
8th
12th
1st
15th
38th
107th
23rd
8th
13th
Levenshtein Distance
19th
8th
1st
7th
42nd
12th
Leyland Numbers
8th
16th
31st
7th
48th
33rd
ln 2
13th
55th
Look and Say
25th
9th
21st
44th
Lucky Numbers
15th
65th
18th
Lucky Tickets
8th
7th
10th
13th
Maze
9th
Medal Tally
6th
Morse Decoder
6th
5th
9th
13th
Morse Encoder
9th
5th
12th
5th
18th
Musical Chords
4th
Niven Numbers
31st
29th
19th
20th
21st
24th
1st
21st
35th
50th
23rd
16th
14th
Niven Numbers (Long)
27th
21st
1st
151st
Number Spiral
17th
9th
5th
21st
Odious Numbers
12th
12th
7th
16th
40th
7th
11th
1st
24th
7th
13th
Odious Numbers (Long)
23rd
14th
10th
1st
Ordinal Numbers
25th
10th
26th
1st
21st
43rd
Pangram Grep
22nd
9th
1st
77th
51st
Pascal’s Triangle
24th
11th
39th
13th
27th
Pernicious Numbers
1st
1st
15th
1st
1st
1st
17th
Pernicious Numbers (Long)
18th
14th
8th
139th
Poker
4th
14th
Prime Numbers
19th
27th
13th
25th
1st
18th
1st
23rd
37th
23rd
12th
11th
Prime Numbers (Long)
17th
18th
11th
33rd
1st
7th
1st
1st
1st
49th
4th
Proximity Grid
4th
QR Decoder
3rd
8th
Quine
1st
10th
6th
24th
42nd
1st
1st
69th
Recamán
3rd
1st
14th
39th
Repeating Decimals
6th
Reverse Polish Notation
8th
30th
Rijndael S-box
5th
Rock-paper-scissors-Spock-lizard
7th
16th
Roman to Arabic
22nd
1st
11th
Rule 110
4th
10th
29th
19th
Seven Segment
20th
6th
7th
12th
SI Units
3rd
Sierpiński Triangle
7th
4th
7th
7th
7th
28th
7th
5th
Smith Numbers
5th
10th
14th
8th
8th
9th
6th
10th
Spelling Numbers
4th
65th
Star Wars Opening Crawl
6th
Sudoku
5th
17th
Sudoku v2
8th
49th
Ten-pin Bowling
8th
Time Distance
5th
24th
Tongue-twisters
6th
18th
2nd
34th
United States
16th
46th
Vampire Numbers
1st
4th
13th
21st
Van Eck Sequence
27th
16th
19th
13th
105th
Zodiac Signs
7th
44th
γ
4th
11th
λ
2nd
8th
4th
1st
7th
17th
17th
π
20th
23rd
56th
τ
19th
23rd
38th
φ
21st
18th
1st
1st
29th
√2
17th
19th
1st
70th
22nd
𝑒
16th
12th
18th
21st
64th
18th