12 Days of Christmas
9th
27th
8th
72nd
9th
99 Bottles of Beer
36th
24th
14th
53rd
Abundant Numbers
5th
19th39th22nd
51st33rd
49th12th
25th
43rd67th
11th
Abundant Numbers (Long)
21st
26th
27th
11th
106th
Arabic to Roman
27th
19th83rd
25th
9th
25th
Arithmetic Numbers
1st
Arrows
22nd
17th
83rd
Ascending Primes
31st
ASCII Table
58th
30th
5th
78th
brainfuck
38th
17th
6th
33rd
Card Number Validation
21st
Catalan Numbers
40th
1st
1st1st
Catalan’s Constant
13th
17th
Christmas Trees
13th
9th
5th
29th20th
63rd33rd
Collatz
11th3rd21st
27th
50th3rd
39th43rd
CSS Colors
6th
6th
8th
14th26th
Cubes
27th
8th
11th
58th
Day of Week
1st
Diamonds
43rd
30th
18th
42nd48th
Divisors
14th
39th27th31st
43rd
52nd26th
1st
16th52nd
9th
Emirp Numbers
4th
32nd
21st
9th
23rd16th24th
80th38th
7th
Emirp Numbers (Long)
16th
13th
18th
Emojify
20th
73rd
Evil Numbers
20th16th17th
24th
52nd
43rd15th
1st37th
10th
Evil Numbers (Long)
38th
19th
14th
49th
Factorial Factorisation
14th
Farey Sequence
39th
Fibonacci
35th
4th49th2nd
1st24th157th
101st1st
1st
47th
1st10th
1st
Fizz Buzz
8th22nd157th111th73rd
18th108th109th
182nd1st
49th9th
102nd52nd4th77th13th
Foo Fizz Buzz Bar
52nd48th45th
42nd
60th27th
21st43rd
Forsyth–Edwards Notation
17th
Fractions
37th
38th
27th
66th1st
Game of Life
11th
Gijswijt’s Sequence
21st
Happy Numbers
3rd
49th32nd28th
15th
46th
38th18th
45th59th
12th
Happy Numbers (Long)
24th20th8th
35th
27th12th
24th43rd
Hexdump
4th
43rd
Intersection
15th
22nd
5th
26th
Inventory Sequence
37th
29th
4th
ISBN
9th
14th
7th
44th
Jacobi Symbol
9th
7th
20th12th
39th
Kolakoski Constant
7th
6th
3rd
4th21st
Kolakoski Sequence
7th13th6th
21st13th
61st20th
Leap Years
27th
8th23rd5th
21st12th
55th11th
25th
55th165th33rd
11th
Levenshtein Distance
20th
14th
1st
8th
55th16th
Leyland Numbers
21st
39th
8th
79th47th
ln 2
18th
110th
Look and Say
28th
16th
37th64th
Lucky Numbers
23rd
104th29th
Lucky Tickets
9th
15th
27th23rd
Maze
13th
Medal Tally
14th
Morse Decoder
10th
14th
25th
Morse Encoder
11th
9th
12th
8th
28th
Musical Chords
11th
Niven Numbers
44th42nd32nd
29th
29th
51st1st
28th
45th96th32nd
25th
Niven Numbers (Long)
42nd
36th
1st
244th
Number Spiral
21st
14th
9th
38th
Odious Numbers
18th15th14th
21st
46th
43rd12th
1st34th
11th
Odious Numbers (Long)
32nd
24th
12th
1st
Ordinal Numbers
28th
15th
30th
1st
25th59th
Pangram Grep
23rd
13th
1st
130th62nd
Pascal’s Triangle
29th
19th
46th
17th
49th
Pernicious Numbers
1st
1st
18th
43rd1st
1st24th
Pernicious Numbers (Long)
27th
23rd
20th
224th
Poker
8th
30th
Prime Numbers
22nd37th19th
38th1st53rd1st
36th
74th30th
15th
Prime Numbers (Long)
23rd25th17th
46th1st43rd1st
3rd
1st73rd
6th
Proximity Grid
6th
QR Decoder
8th
13th
Quine
1st
37th
79th1st
1st88th
Recamán
4th
1st
19th
68th
Repeating Decimals
13th
Reverse Polish Notation
14th
53rd
Rijndael S-box
11th
Rock-paper-scissors-Spock-lizard
11th
32nd
Roman to Arabic
31st
1st21st
Rule 110
6th
13th
61st29th
Scrambled Sort
15th
Seven Segment
27th
14th
14th
26th
SI Units
6th
Sierpiński Triangle
11th7th10th
20th12th
47th7th
6th
Smith Numbers
4th
14th18th17th
9th
23rd14th
18th
Spelling Numbers
5th
105th
Star Wars Opening Crawl
12th
Sudoku
9th
27th
Sudoku (Fill-in)
15th
84th
Ten-pin Bowling
14th
Time Distance
11th
37th
Tongue-twisters
11th
28th
3rd
64th
United States
25th
77th
Vampire Numbers
1st
7th
16th30th
Van Eck Sequence
31st
24th
20th
18th
171st
Zodiac Signs
10th
80th
γ
8th
28th
λ
3rd
9th
5th
7th14th
33rd24th
π
36th
44th48th
τ
29th
42nd39th
φ
25th
31st1st
1st43rd
√2
19th
38th1st
126th36th
𝑒
25th
16th
21st
35th
124th27th