12 Days of Christmas
7th
8th
24th
7th
56th
9th
99 Bottles of Beer
6th
31st
23rd
13th
38th
Abundant Numbers
5th
17th37th14th
40th25th
11th12th
19th
30th54th
8th
Abundant Numbers (Long)
15th
18th
21st
11th
76th
Arabic to Roman
22nd
17th66th
20th
7th
20th
Arithmetic Numbers
1st
Arrows
20th
14th
54th
Ascending Primes
21st
ASCII Table
49th
24th
5th
56th
brainfuck
28th
14th
6th
26th
Card Number Validation
15th
Catalan Numbers
33rd
1st
1st1st
Catalanβs Constant
12th
11th
Christmas Trees
12th
6th
4th
11th19th
46th28th
Collatz
9th3rd16th
24th
3rd1st
30th36th
CSS Colors
5th
6th
7th
13th21st
Cubes
23rd
6th
6th
47th
Day of Week
1st
Diamonds
35th
21st
13th
30th32nd
Divisors
12th
34th25th27th
35th
12th23rd
1st
1st38th
8th
Emirp Numbers
4th
25th
16th
7th
12th16th20th
63rd32nd
6th
Emirp Numbers (Long)
12th
10th
Emojify
17th
50th
Evil Numbers
17th13th13th
20th
47th
8th14th
1st31st
7th16th
Evil Numbers (Long)
32nd
13th
13th
32nd
Factorial Factorisation
11th
Farey Sequence
27th
Fibonacci
31st
3rd38th1st
1st18th139th
28th1st
1st
42nd
1st7th
1st15th
Fizz Buzz
8th
19th133rd97th62nd
16th97th100th
135th1st
47th8th
97th35th3rd72nd13th
Foo Fizz Buzz Bar
45th39th31st
39th
29th18th
14th31st
ForsythβEdwards Notation
12th
Fractions
29th
30th
22nd
50th1st
Game of Life
9th
Gijswijtβs Sequence
10th
Happy Numbers
3rd
42nd28th22nd
12th
42nd
21st17th
28th49th
10th
Happy Numbers (Long)
24th16th6th
31st
6th12th
15th33rd
Hexdump
3rd
31st
Intersection
9th
17th
2nd
19th
Inventory Sequence
29th
23rd
4th
ISBN
8th
13th
5th
35th
Jacobi Symbol
8th
6th
8th5th
25th
Kolakoski Constant
5th
5th
2nd
3rd16th
Kolakoski Sequence
6th11th6th
5th9th
44th16th
4th
Leap Years
23rd
7th18th3rd
15th8th
12th1st
17th
43rd122nd26th
9th17th
Levenshtein Distance
17th
11th
1st
8th
48th14th
Leyland Numbers
10th
18th
33rd
7th
59th34th
ln 2
16th
67th
Look and Say
26th
15th
24th48th
Lucky Numbers
19th
79th20th
Lucky Tickets
9th
12th
15th14th
Maze
10th
Medal Tally
10th
Morse Decoder
6th
13th
19th
Morse Encoder
9th
5th
12th
6th
22nd
Musical Chords
7th
Niven Numbers
34th33rd25th
23rd
23rd
25th1st
23rd
37th58th27th
17th18th
Niven Numbers (Long)
31st
25th
1st
184th
Number Spiral
19th
11th
8th
26th
Odious Numbers
14th13th10th
17th
44th
7th11th
1st26th
7th16th
Odious Numbers (Long)
25th
18th
11th
1st
Ordinal Numbers
25th
13th
27th
1st
22nd50th
Pangram Grep
22nd
11th
1st
101st54th
Pascalβs Triangle
26th
15th
41st
16th
35th
Pernicious Numbers
1st
1st
17th
1st1st
1st19th
Pernicious Numbers (Long)
18th
18th
11th
170th
Poker
5th
21st
Prime Numbers
20th30th15th
29th1st21st1st
28th
43rd25th
12th12th
Prime Numbers (Long)
19th20th11th
38th1st7th1st
1st
1st52nd
4th
Proximity Grid
6th
QR Decoder
6th
11th
Quine
1st
6th
30th
53rd1st
1st82nd
RecamΓ‘n
3rd
1st
17th
47th
Repeating Decimals
9th
Reverse Polish Notation
10th
40th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
10th
20th
Roman to Arabic
27th
1st18th
Rule 110
5th
11th
32nd20th
Seven Segment
24th
12th
9th
16th
SI Units
3rd
SierpiΕski Triangle
10th6th8th
7th8th
29th7th
6th
Smith Numbers
6th
11th15th11th
8th
9th10th
12th
Spelling Numbers
3rd
83rd
Star Wars Opening Crawl
8th
Sudoku
6th
20th
Sudoku (Fill-in)
10th
55th
Ten-pin Bowling
11th
Time Distance
9th
30th
Tongue-twisters
8th
20th
2nd
45th
United States
19th
53rd
Vampire Numbers
1st
5th
14th24th
Van Eck Sequence
27th
20th
19th
15th
130th
Zodiac Signs
10th
52nd
Ξ³
5th
13th
Ξ»
3rd
9th
5th
1st8th
23rd18th
Ο
25th
33rd61st
Ο
22nd
32nd40th
Ο
23rd
20th1st
1st30th
β2
18th
22nd1st
80th24th
π
22nd
15th
19th
24th
74th20th