12 Days of Christmas
36th
20th
26th
13th
80th
9th
99 Bottles of Beer
49th
32nd
24th
23rd
97th
Abundant Numbers
6th
14th37th19th
50th33rd
39th12th
21st
63rd65th
10th
Abundant Numbers (Long)
19th
23rd
27th
11th
35th
Arabic to Roman
23rd
18th74th
23rd
12th
86th
Arithmetic Numbers
1st
Arrows
21st
22nd
48th
Ascending Primes
26th
ASCII Table
54th
26th
5th
219th
brainfuck
33rd
16th
9th
53rd
Card Number Validation
18th
Catalan Numbers
38th
1st
1st1st
Catalan’s Constant
12th
22nd
Christmas Trees
12th
7th
4th
24th20th
183rd30th
Collatz
19th3rd20th
26th
42nd1st
42nd40th
CSS Colors
6th
5th
10th
18th16th
Cubes
20th
7th
12th
147th
Day of Week
1st
Diamonds
42nd
28th
13th
64th40th
Divisors
13th
36th26th29th
41st
46th26th
1st
1st46th
9th
Emirp Numbers
7th
29th
16th
12th
22nd12th22nd
37th23rd
6th
Emirp Numbers (Long)
17th
13th
19th
Emojify
16th
56th
Evil Numbers
25th10th16th
23rd
52nd
37th15th
1st35th
9th
Evil Numbers (Long)
31st
17th
13th
42nd
Factorial Factorisation
11th
Farey Sequence
33rd
Fibonacci
31st
14th44th1st
1st1st153rd
87th1st
1st
44th
1st8th
1st
Fizz Buzz
8th
21st153rd111th69th
18th106th105th
176th1st
48th9th
101st66th1st77th13th
Foo Fizz Buzz Bar
55th47th41st
41st
53rd19th
1st34th
Forsyth–Edwards Notation
26th
Fractions
34th
34th
24th
155th1st
Game of Life
12th
Gijswijt’s Sequence
16th
Happy Numbers
3rd
45th31st22nd
21st
45th
35th12th
1st50th
12th
Happy Numbers (Long)
26th18th6th
34th
24th12th
37th36th
Hexdump
2nd
73rd
Intersection
10th
20th
6th
69th
Inventory Sequence
37th
26th
5th
ISBN
11th
14th
6th
42nd
Jacobi Symbol
9th
7th
13th13th
43rd
Kolakoski Constant
6th
6th
2nd
18th16th
Kolakoski Sequence
6th5th6th
16th12th
132nd18th
Leap Years
26th
9th21st3rd
16th8th
43rd5th
20th
51st153rd29th
9th
Levenshtein Distance
17th
12th
1st
12th
89th1st
Leyland Numbers
15th
21st
37th
7th
196th44th
ln 2
16th
90th
Look and Say
28th
15th
86th56th
Lucky Numbers
22nd
148th23rd
Lucky Tickets
9th
16th
49th15th
Maze
19th
Medal Tally
9th
Morse Decoder
7th
15th
43rd
Morse Encoder
9th
6th
12th
7th
45th
Musical Chords
16th
Niven Numbers
44th38th29th
26th
27th
48th1st
25th
39th88th32nd
22nd
Niven Numbers (Long)
35th
34th
1st
228th
Number Spiral
19th
12th
13th
70th
Odious Numbers
25th10th12th
20th
46th
38th11th
1st33rd
10th
Odious Numbers (Long)
21st
21st
11th
1st
Ordinal Numbers
29th
14th
30th
1st
24th151st
Pangram Grep
22nd
12th
1st
65th60th
Pascal’s Triangle
28th
18th
45th
17th
135th
Pernicious Numbers
1st
1st
18th
37th1st
1st23rd
Pernicious Numbers (Long)
22nd
20th
14th
201st
Poker
9th
47th
Prime Numbers
24th35th14th
35th1st48th1st
32nd
61st24th
15th
Prime Numbers (Long)
22nd24th14th
46th1st37th1st
1st
1st68th
6th
Proximity Grid
10th
QR Decoder
7th
23rd
Quine
1st
34th
73rd1st
1st86th
Recamán
4th
1st
18th
189th
Repeating Decimals
18th
Reverse Polish Notation
11th
151st
Rijndael S-box
16th
Rock-paper-scissors-Spock-lizard
13th
55th
Roman to Arabic
27th
1st12th
Rule 110
5th
11th
67th22nd
Scrambled Sort
22nd
Seven Segment
24th
11th
10th
38th
SI Units
10th
Sierpiński Triangle
11th7th9th
13th8th
29th7th
6th
Smith Numbers
4th
12th18th15th
9th
17th18th
36th
Spelling Numbers
7th
71st
Star Wars Opening Crawl
22nd
Sudoku
7th
45th
Sudoku (Fill-in)
15th
65th
Ten-pin Bowling
16th
Time Distance
14th
76th
Tongue-twisters
25th
19th
26th
182nd
United States
5th
46th
Vampire Numbers
4th
9th
25th22nd
Van Eck Sequence
32nd
23rd
19th
17th
260th
Zodiac Signs
11th
57th
γ
7th
11th
λ
7th
29th
14th
17th17th
51st27th
π
29th
69th44th
τ
23rd
64th35th
φ
24th
27th1st
49th37th
√2
19th
28th1st
142nd30th
𝑒
24th
16th
20th
31st
129th24th