12 Days of Christmas
8th
26th
7th
72nd
9th
99 Bottles of Beer
33rd
24th
14th
47th
Abundant Numbers
5th
18th39th18th
50th33rd
40th12th
21st
37th65th
10th
Abundant Numbers (Long)
18th
21st
27th
11th
99th
Arabic to Roman
24th
18th73rd
23rd
8th
25th
Arithmetic Numbers
1st
Arrows
21st
14th
74th
Ascending Primes
25th
ASCII Table
54th
26th
5th
67th
brainfuck
34th
16th
7th
32nd
Card Number Validation
18th
Catalan Numbers
38th
1st
1st1st
Catalan’s Constant
12th
12th
Christmas Trees
12th
8th
4th
24th20th
60th32nd
Collatz
11th3rd20th
26th
39th1st
36th41st
CSS Colors
6th
6th
8th
13th24th
Cubes
25th
7th
6th
52nd
Day of Week
1st
Diamonds
41st
27th
13th
34th43rd
Divisors
13th
37th26th28th
41st
45th26th
1st
1st46th
9th
Emirp Numbers
4th
29th
18th
8th
18th16th22nd
75th35th
6th
Emirp Numbers (Long)
15th
12th
17th
Emojify
17th
62nd
Evil Numbers
20th14th16th
23rd
50th
37th15th
1st35th
8th
Evil Numbers (Long)
35th
17th
13th
42nd
Factorial Factorisation
12th
Farey Sequence
33rd
Fibonacci
32nd
3rd44th1st
1st22nd152nd
86th1st
1st
44th
1st8th
1st
Fizz Buzz
8th
21st144th111th69th
18th106th105th
173rd1st
48th9th
101st44th4th77th13th
Foo Fizz Buzz Bar
50th47th40th
41st
52nd19th
20th36th
Forsyth–Edwards Notation
16th
Fractions
34th
34th
24th
62nd1st
Game of Life
10th
Gijswijt’s Sequence
13th
Happy Numbers
3rd
45th31st23rd
14th
46th
36th17th
39th57th
12th
Happy Numbers (Long)
24th19th6th
34th
24th12th
22nd38th
Hexdump
3rd
42nd
Intersection
10th
20th
4th
25th
Inventory Sequence
37th
26th
4th
ISBN
9th
14th
5th
42nd
Jacobi Symbol
8th
7th
13th8th
34th
Kolakoski Constant
6th
6th
2nd
4th18th
Kolakoski Sequence
6th12th5th
16th11th
54th18th
Leap Years
26th
9th21st3rd
19th8th
42nd3rd
20th
50th152nd29th
9th
Levenshtein Distance
17th
12th
1st
8th
53rd16th
Leyland Numbers
21st
37th
7th
73rd44th
ln 2
16th
100th
Look and Say
28th
15th
35th56th
Lucky Numbers
22nd
94th23rd
Lucky Tickets
9th
12th
23rd16th
Maze
11th
Medal Tally
12th
Morse Decoder
6th
13th
24th
Morse Encoder
9th
6th
12th
6th
27th
Musical Chords
8th
Niven Numbers
41st39th29th
26th
27th
47th1st
23rd
41st87th31st
22nd
Niven Numbers (Long)
37th
30th
1st
226th
Number Spiral
19th
12th
8th
32nd
Odious Numbers
17th14th12th
20th
45th
38th11th
1st31st
9th
Odious Numbers (Long)
28th
21st
11th
1st
Ordinal Numbers
28th
14th
29th
1st
24th58th
Pangram Grep
22nd
12th
1st
124th60th
Pascal’s Triangle
28th
18th
45th
17th
47th
Pernicious Numbers
1st
1st
18th
37th1st
1st22nd
Pernicious Numbers (Long)
22nd
20th
13th
206th
Poker
6th
28th
Prime Numbers
21st35th16th
35th1st48th1st
31st
59th27th
14th
Prime Numbers (Long)
21st23rd13th
46th1st36th1st
1st
1st67th
6th
Proximity Grid
6th
QR Decoder
6th
11th
Quine
1st
34th
72nd1st
1st86th
Recamán
4th
1st
18th
62nd
Repeating Decimals
11th
Reverse Polish Notation
10th
49th
Rijndael S-box
9th
Rock-paper-scissors-Spock-lizard
11th
28th
Roman to Arabic
29th
1st21st
Rule 110
5th
11th
45th24th
Scrambled Sort
9th
Seven Segment
25th
12th
11th
23rd
SI Units
4th
Sierpiński Triangle
11th7th9th
13th8th
40th7th
6th
Smith Numbers
4th
12th18th15th
9th
17th11th
18th
Spelling Numbers
3rd
95th
Star Wars Opening Crawl
10th
Sudoku
6th
23rd
Sudoku (Fill-in)
11th
73rd
Ten-pin Bowling
11th
Time Distance
9th
37th
Tongue-twisters
9th
23rd
2nd
61st
United States
22nd
68th
Vampire Numbers
1st
5th
15th26th
Van Eck Sequence
31st
23rd
19th
17th
162nd
Zodiac Signs
10th
72nd
γ
6th
21st
λ
3rd
10th
5th
6th9th
29th21st
π
29th
39th42nd
τ
23rd
37th35th
φ
24th
27th1st
1st37th
√2
19th
35th1st
111th29th
𝑒
24th
16th
20th
31st
109th24th