12 Days of Christmas
34th
19th
25th
13th
66th
9th
99 Bottles of Beer
47th
31st
24th
22nd
78th
Abundant Numbers
6th
12th35th15th
44th27th
8th12th
19th
51st56th
8th
Abundant Numbers (Long)
15th
20th
23rd
11th
28th
Arabic to Roman
21st
17th68th
22nd
11th
69th
Arithmetic Numbers
1st
Arrows
20th
21st
33rd
Ascending Primes
23rd
ASCII Table
49th
24th
5th
191st
brainfuck
29th
13th
9th
42nd
Card Number Validation
15th
Catalan Numbers
35th
1st
1st1st
Catalan’s Constant
12th
20th
Christmas Trees
12th
6th
4th
11th19th
151st27th
Collatz
18th3rd17th
25th
3rd1st
31st36th
CSS Colors
5th
4th
10th
16th15th
Cubes
19th
7th
9th
134th
Day of Week
1st
Diamonds
38th
22nd
13th
49th31st
Divisors
12th
33rd26th27th
37th
12th25th
1st
1st39th
8th
Emirp Numbers
7th
26th
15th
12th
13th12th21st
26th21st
6th
Emirp Numbers (Long)
15th
11th
19th
Emojify
16th
46th
Evil Numbers
22nd10th15th
22nd
48th
9th14th
1st33rd
8th16th
Evil Numbers (Long)
29th
16th
13th
33rd
Factorial Factorisation
10th
Farey Sequence
28th
Fibonacci
31st
8th40th1st
1st1st146th
30th1st
1st
43rd
1st7th
1st15th
Fizz Buzz
8th
19th146th108th65th
18th102nd103rd
143rd1st
47th9th
100th54th1st74th13th
Foo Fizz Buzz Bar
49th42nd33rd
41st
31st19th
1st32nd
Forsyth–Edwards Notation
24th
Fractions
30th
32nd
23rd
127th1st
Game of Life
9th
Gijswijt’s Sequence
10th
Happy Numbers
3rd
42nd28th21st
19th
42nd
21st12th
1st43rd
10th
Happy Numbers (Long)
25th15th6th
32nd
6th12th
30th33rd
Hexdump
2nd
59th
Intersection
9th
18th
3rd
56th
Inventory Sequence
32nd
24th
4th
ISBN
10th
14th
5th
35th
Jacobi Symbol
9th
6th
8th8th
27th
Kolakoski Constant
6th
6th
2nd
18th15th
Kolakoski Sequence
6th5th6th
5th11th
119th17th
5th
Leap Years
23rd
7th20th3rd
13th8th
12th1st
17th
46th133rd27th
9th17th
Levenshtein Distance
17th
12th
1st
12th
86th1st
Leyland Numbers
14th
19th
34th
7th
179th37th
ln 2
16th
67th
Look and Say
27th
15th
65th50th
Lucky Numbers
20th
133rd20th
Lucky Tickets
9th
15th
30th14th
Maze
17th
Medal Tally
7th
Morse Decoder
6th
15th
35th
Morse Encoder
9th
5th
12th
6th
35th
Musical Chords
13th
Niven Numbers
41st34th28th
25th
24th
29th1st
24th
35th66th28th
19th19th
Niven Numbers (Long)
31st
29th
1st
200th
Number Spiral
19th
11th
13th
55th
Odious Numbers
21st10th12th
19th
45th
9th11th
1st29th
8th16th
Odious Numbers (Long)
19th
19th
11th
1st
Ordinal Numbers
25th
14th
28th
1st
23rd135th
Pangram Grep
22nd
11th
1st
52nd54th
Pascal’s Triangle
28th
16th
43rd
17th
117th
Pernicious Numbers
1st
1st
17th
1st1st
1st20th
Pernicious Numbers (Long)
18th
19th
12th
182nd
Poker
8th
33rd
Prime Numbers
21st30th13th
32nd1st21st1st
29th
49th24th
13th11th
Prime Numbers (Long)
19th22nd10th
40th1st7th1st
1st
1st59th
4th
Proximity Grid
8th
QR Decoder
6th
17th
Quine
1st
7th
32nd
56th1st
1st85th
Recamán
4th
1st
17th
168th
Repeating Decimals
15th
Reverse Polish Notation
10th
131st
Rijndael S-box
14th
Rock-paper-scissors-Spock-lizard
13th
43rd
Roman to Arabic
26th
1st10th
Rule 110
5th
9th
55th20th
Scrambled Sort
17th
Seven Segment
23rd
11th
9th
28th
SI Units
9th
Sierpiński Triangle
11th6th8th
7th8th
25th7th
6th
Smith Numbers
4th
12th16th14th
9th
9th16th
25th
Spelling Numbers
6th
61st
Star Wars Opening Crawl
19th
Sudoku
6th
36th
Sudoku (Fill-in)
14th
57th
Ten-pin Bowling
15th
Time Distance
13th
60th
Tongue-twisters
22nd
17th
19th
157th
United States
3rd
42nd
Vampire Numbers
4th
8th
22nd21st
Van Eck Sequence
28th
20th
19th
16th
236th
Zodiac Signs
11th
44th
γ
5th
11th
λ
7th
29th
14th
13th12th
36th24th
π
26th
60th63rd
τ
23rd
57th42nd
φ
23rd
22nd1st
42nd33rd
√2
18th
10th1st
114th28th
𝑒
22nd
15th
19th
26th
102nd23rd