12 Days of Christmas
7th
8th
24th
7th
56th
9th
99 Bottles of Beer
6th
32nd
23rd
13th
40th
Abundant Numbers
5th
17th
15th
41st26th
11th12th
19th
31st55th
8th
Abundant Numbers (Long)
15th
19th
22nd
11th
77th
Arabic to Roman
22nd
17th67th
22nd
7th
20th
Arithmetic Numbers
1st
Arrows
20th
14th
55th
Ascending Primes
21st
ASCII Table
49th
24th
5th
57th
brainfuck
29th
13th
6th
27th
Card Number Validation
15th
Catalan Numbers
33rd
1st
1st1st
Catalanβs Constant
12th
12th
Christmas Trees
12th
6th
4th
11th19th
48th28th
Collatz
9th
16th
25th
3rd1st
32nd36th
CSS Colors
5th
6th
7th
13th21st
Cubes
24th
8th
6th
48th
Day of Week
1st
Diamonds
38th
22nd
13th
30th32nd
Divisors
12th
34th26th27th
36th
12th24th
1st
1st38th
8th
Emirp Numbers
4th
25th
16th
7th
12th16th20th
67th32nd
6th
Emirp Numbers (Long)
12th
10th
Emojify
17th
52nd
Evil Numbers
17th13th13th
21st
47th
8th14th
1st31st
7th16th
Evil Numbers (Long)
33rd
14th
13th
32nd
Factorial Factorisation
11th
Farey Sequence
27th
Fibonacci
31st
3rd38th1st
1st18th141st
28th1st
1st
42nd
1st7th
1st15th
Fizz Buzz
8th
19th134th101st63rd
17th98th102nd
140th1st
47th8th
98th35th3rd72nd13th
Foo Fizz Buzz Bar
45th40th31st
39th
30th18th
14th31st
ForsythβEdwards Notation
12th
Fractions
29th
30th
22nd
52nd1st
Game of Life
9th
Gijswijtβs Sequence
10th
Happy Numbers
3rd
42nd
22nd
14th
42nd
21st17th
29th50th
10th
Happy Numbers (Long)
24th
6th
31st
6th12th
16th34th
Hexdump
3rd
33rd
Intersection
9th
18th
2nd
23rd
Inventory Sequence
30th
23rd
4th
ISBN
8th
13th
5th
37th
Jacobi Symbol
8th
6th
8th5th
26th
Kolakoski Constant
5th
6th
2nd
3rd17th
Kolakoski Sequence
6th11th6th
5th10th
46th17th
4th
Leap Years
23rd
7th19th3rd
15th8th
12th1st
17th
44th126th26th
9th17th
Levenshtein Distance
17th
11th
1st
8th
49th14th
Leyland Numbers
10th
18th
33rd
7th
64th36th
ln 2
16th
68th
Look and Say
26th
15th
26th48th
Lucky Numbers
20th
80th20th
Lucky Tickets
9th
12th
15th14th
Maze
11th
Medal Tally
10th
Morse Decoder
6th
13th
19th
Morse Encoder
9th
5th
12th
6th
22nd
Musical Chords
7th
Niven Numbers
36th34th26th
23rd
23rd
25th1st
23rd
37th60th27th
17th18th
Niven Numbers (Long)
33rd
27th
1st
192nd
Number Spiral
19th
11th
8th
27th
Odious Numbers
14th13th10th
18th
44th
8th11th
1st27th
7th16th
Odious Numbers (Long)
26th
18th
11th
1st
Ordinal Numbers
25th
13th
27th
1st
23rd52nd
Pangram Grep
22nd
11th
1st
102nd54th
Pascalβs Triangle
26th
15th
41st
16th
35th
Pernicious Numbers
1st
1st
17th
1st1st
1st19th
Pernicious Numbers (Long)
19th
19th
12th
173rd
Poker
5th
22nd
Prime Numbers
20th30th15th
30th1st21st1st
28th
45th25th
12th12th
Prime Numbers (Long)
19th20th11th
38th1st7th1st
1st
1st52nd
4th
Proximity Grid
6th
QR Decoder
6th
11th
Quine
1st
6th
32nd
54th1st
1st83rd
RecamΓ‘n
3rd
1st
17th
51st
Repeating Decimals
9th
Reverse Polish Notation
10th
42nd
Rijndael S-box
9th
Rock-paper-scissors-Spock-lizard
11th
20th
Roman to Arabic
27th
1st18th
Rule 110
5th
11th
34th20th
Seven Segment
24th
12th
9th
16th
SI Units
3rd
SierpiΕski Triangle
10th6th8th
7th8th
32nd7th
6th
Smith Numbers
6th
11th
11th
9th
9th10th
13th
Spelling Numbers
3rd
84th
Star Wars Opening Crawl
8th
Sudoku
6th
21st
Sudoku (Fill-in)
10th
57th
Ten-pin Bowling
11th
Time Distance
9th
32nd
Tongue-twisters
8th
20th
2nd
48th
United States
19th
56th
Vampire Numbers
1st
5th
14th24th
Van Eck Sequence
27th
20th
19th
16th
130th
Zodiac Signs
10th
54th
Ξ³
5th
14th
Ξ»
3rd
9th
5th
1st8th
23rd18th
Ο
25th
33rd62nd
Ο
22nd
33rd41st
Ο
23rd
20th1st
1st31st
β2
18th
22nd1st
82nd25th
π
22nd
15th
19th
25th
77th22nd