12 Days of Christmas
8th
26th
7th
65th
9th
99 Bottles of Beer
33rd
24th
13th
41st
Abundant Numbers
5th
16th38th17th
48th31st
29th12th
19th
34th62nd
8th
Abundant Numbers (Long)
16th
21st
27th
11th
93rd
Arabic to Roman
23rd
17th70th
22nd
7th
22nd
Arithmetic Numbers
1st
Arrows
21st
14th
64th
Ascending Primes
23rd
ASCII Table
51st
25th
5th
62nd
brainfuck
33rd
14th
7th
30th
Card Number Validation
15th
Catalan Numbers
38th
1st
1st1st
Catalan’s Constant
12th
12th
Christmas Trees
12th
7th
4th
23rd19th
53rd31st
Collatz
11th3rd18th
25th
35th1st
36th38th
CSS Colors
6th
6th
8th
13th23rd
Cubes
25th
7th
6th
52nd
Day of Week
1st
Diamonds
38th
24th
13th
32nd37th
Divisors
12th
36th26th28th
39th
38th26th
1st
1st41st
8th
Emirp Numbers
4th
28th
18th
8th
18th16th22nd
72nd34th
6th
Emirp Numbers (Long)
14th
12th
16th
Emojify
17th
61st
Evil Numbers
19th14th16th
23rd
48th
34th15th
1st34th
8th
Evil Numbers (Long)
35th
17th
13th
38th
Factorial Factorisation
12th
Farey Sequence
30th
Fibonacci
32nd
3rd42nd1st
1st20th148th
67th1st
1st
44th
1st7th
1st
Fizz Buzz
8th
20th141st109th68th
18th104th103rd
161st1st
47th9th
101st42nd3rd75th13th
Foo Fizz Buzz Bar
47th45th37th
41st
47th19th
19th34th
Forsyth–Edwards Notation
15th
Fractions
31st
34th
23rd
58th1st
Game of Life
10th
Gijswijt’s Sequence
12th
Happy Numbers
3rd
44th30th22nd
14th
45th
34th17th
36th54th
11th
Happy Numbers (Long)
24th19th6th
33rd
23rd12th
21st37th
Hexdump
3rd
38th
Intersection
10th
19th
2nd
25th
Inventory Sequence
36th
26th
4th
ISBN
8th
14th
5th
40th
Jacobi Symbol
8th
7th
12th5th
29th
Kolakoski Constant
6th
6th
2nd
4th18th
Kolakoski Sequence
6th12th5th
15th11th
53rd17th
Leap Years
23rd
7th21st3rd
19th8th
34th1st
18th
47th145th27th
9th
Levenshtein Distance
17th
12th
1st
8th
62nd16th
Leyland Numbers
20th
37th
7th
70th42nd
ln 2
16th
91st
Look and Say
28th
15th
29th52nd
Lucky Numbers
20th
89th22nd
Lucky Tickets
9th
12th
22nd16th
Maze
11th
Medal Tally
10th
Morse Decoder
6th
13th
21st
Morse Encoder
9th
6th
12th
6th
24th
Musical Chords
7th
Niven Numbers
39th38th29th
26th
27th
43rd1st
25th
38th75th29th
21st
Niven Numbers (Long)
35th
29th
1st
217th
Number Spiral
19th
11th
8th
31st
Odious Numbers
16th14th12th
20th
45th
35th11th
1st29th
9th
Odious Numbers (Long)
28th
19th
11th
1st
Ordinal Numbers
27th
14th
29th
1st
23rd55th
Pangram Grep
22nd
12th
1st
116th57th
Pascal’s Triangle
28th
17th
43rd
17th
44th
Pernicious Numbers
1st
1st
18th
34th1st
1st21st
Pernicious Numbers (Long)
20th
19th
12th
197th
Poker
5th
23rd
Prime Numbers
21st32nd17th
35th1st37th1st
30th
54th27th
13th
Prime Numbers (Long)
20th22nd13th
45th1st27th1st
1st
1st62nd
5th
Proximity Grid
5th
QR Decoder
6th
11th
Quine
1st
33rd
67th1st
1st96th
Recamán
4th
1st
17th
56th
Repeating Decimals
9th
Reverse Polish Notation
10th
48th
Rijndael S-box
9th
Rock-paper-scissors-Spock-lizard
11th
24th
Roman to Arabic
29th
1st21st
Rule 110
5th
11th
41st23rd
Scrambled Sort
8th
Seven Segment
25th
12th
9th
18th
SI Units
3rd
Sierpiński Triangle
11th7th9th
13th8th
38th7th
6th
Smith Numbers
4th
12th18th15th
9th
17th11th
15th
Spelling Numbers
3rd
93rd
Star Wars Opening Crawl
8th
Sudoku
6th
22nd
Sudoku (Fill-in)
11th
69th
Ten-pin Bowling
11th
Time Distance
9th
34th
Tongue-twisters
8th
22nd
2nd
57th
United States
21st
63rd
Vampire Numbers
1st
5th
14th25th
Van Eck Sequence
30th
22nd
19th
16th
152nd
Zodiac Signs
10th
65th
γ
5th
18th
λ
3rd
10th
5th
6th8th
24th20th
π
28th
38th64th
τ
23rd
36th44th
φ
24th
27th1st
1st36th
√2
19th
35th1st
101st29th
𝑒
23rd
16th
20th
29th
100th24th