12 Days of Christmas
34th
20th
26th
13th
70th
9th
99 Bottles of Beer
50th
32nd
24th
22nd
80th
Abundant Numbers
6th
12th36th17th
48th31st
28th12th
19th
54th62nd
8th
Abundant Numbers (Long)
16th
21st
27th
11th
32nd
Arabic to Roman
22nd
17th70th
22nd
11th
78th
Arithmetic Numbers
1st
Arrows
21st
21st
37th
Ascending Primes
23rd
ASCII Table
51st
25th
5th
205th
brainfuck
33rd
14th
9th
47th
Card Number Validation
15th
Catalan Numbers
38th
1st
1st1st
Catalan’s Constant
12th
21st
Christmas Trees
12th
7th
4th
23rd19th
162nd29th
Collatz
18th3rd18th
25th
35th1st
36th37th
CSS Colors
5th
4th
10th
16th15th
Cubes
20th
7th
9th
139th
Day of Week
1st
Diamonds
38th
24th
13th
54th35th
Divisors
12th
35th26th28th
39th
38th26th
1st
1st41st
8th
Emirp Numbers
7th
28th
16th
12th
21st12th22nd
34th22nd
6th
Emirp Numbers (Long)
15th
12th
19th
Emojify
16th
50th
Evil Numbers
24th10th16th
23rd
48th
34th15th
1st34th
8th
Evil Numbers (Long)
31st
17th
13th
38th
Factorial Factorisation
11th
Farey Sequence
30th
Fibonacci
31st
12th42nd1st
1st1st148th
67th1st
1st
44th
1st7th
1st
Fizz Buzz
8th
20th150th109th68th
18th104th103rd
161st1st
47th9th
101st58th1st75th13th
Foo Fizz Buzz Bar
52nd45th37th
41st
47th19th
1st32nd
Forsyth–Edwards Notation
26th
Fractions
31st
34th
23rd
138th1st
Game of Life
11th
Gijswijt’s Sequence
12th
Happy Numbers
3rd
44th30th21st
20th
44th
33rd12th
1st46th
11th
Happy Numbers (Long)
25th18th6th
33rd
23rd12th
35th35th
Hexdump
2nd
66th
Intersection
10th
19th
4th
64th
Inventory Sequence
36th
26th
4th
ISBN
10th
14th
5th
38th
Jacobi Symbol
9th
7th
12th9th
31st
Kolakoski Constant
6th
6th
2nd
18th16th
Kolakoski Sequence
6th5th5th
15th11th
124th17th
Leap Years
23rd
7th21st3rd
16th8th
34th1st
18th
47th144th27th
9th
Levenshtein Distance
17th
12th
1st
12th
91st1st
Leyland Numbers
14th
20th
37th
7th
187th41st
ln 2
16th
81st
Look and Say
28th
15th
71st52nd
Lucky Numbers
20th
140th21st
Lucky Tickets
9th
16th
43rd14th
Maze
17th
Medal Tally
7th
Morse Decoder
6th
15th
39th
Morse Encoder
9th
6th
12th
6th
37th
Musical Chords
14th
Niven Numbers
42nd37th29th
26th
27th
43rd1st
25th
36th75th29th
21st
Niven Numbers (Long)
32nd
29th
1st
212th
Number Spiral
19th
11th
13th
63rd
Odious Numbers
24th10th12th
20th
45th
35th11th
1st29th
9th
Odious Numbers (Long)
21st
19th
11th
1st
Ordinal Numbers
28th
14th
29th
1st
23rd141st
Pangram Grep
22nd
12th
1st
60th57th
Pascal’s Triangle
28th
17th
43rd
17th
126th
Pernicious Numbers
1st
1st
18th
34th1st
1st21st
Pernicious Numbers (Long)
19th
19th
12th
191st
Poker
8th
36th
Prime Numbers
23rd31st14th
35th1st37th1st
30th
54th24th
13th
Prime Numbers (Long)
21st22nd13th
45th1st27th1st
1st
1st62nd
5th
Proximity Grid
8th
QR Decoder
6th
20th
Quine
1st
33rd
67th1st
1st96th
Recamán
4th
1st
17th
178th
Repeating Decimals
15th
Reverse Polish Notation
10th
138th
Rijndael S-box
14th
Rock-paper-scissors-Spock-lizard
13th
47th
Roman to Arabic
27th
1st10th
Rule 110
5th
9th
61st21st
Scrambled Sort
18th
Seven Segment
24th
11th
9th
31st
SI Units
9th
Sierpiński Triangle
11th7th9th
13th8th
28th7th
6th
Smith Numbers
4th
12th18th15th
9th
17th16th
29th
Spelling Numbers
6th
62nd
Star Wars Opening Crawl
19th
Sudoku
6th
37th
Sudoku (Fill-in)
15th
61st
Ten-pin Bowling
15th
Time Distance
13th
70th
Tongue-twisters
23rd
17th
24th
170th
United States
3rd
43rd
Vampire Numbers
4th
8th
22nd21st
Van Eck Sequence
31st
22nd
19th
16th
251st
Zodiac Signs
11th
49th
γ
5th
11th
λ
7th
29th
14th
16th15th
41st26th
π
28th
63rd64th
τ
23rd
58th43rd
φ
24th
27th1st
48th36th
√2
19th
26th1st
128th29th
𝑒
23rd
16th
20th
29th
116th24th