12 Days of Christmas
34th
20th
25th
13th
67th
9th
99 Bottles of Beer
49th
31st
24th
22nd
79th
Abundant Numbers
6th
12th35th15th
45th30th
21st12th
19th
51st59th
8th
Abundant Numbers (Long)
15th
21st
26th
11th
28th
Arabic to Roman
22nd
17th69th
22nd
11th
73rd
Arithmetic Numbers
1st
Arrows
20th
21st
33rd
Ascending Primes
23rd
ASCII Table
49th
24th
5th
199th
brainfuck
31st
13th
9th
42nd
Card Number Validation
15th
Catalan Numbers
36th
1st
1st1st
Catalan’s Constant
12th
20th
Christmas Trees
12th
6th
4th
17th19th
153rd27th
Collatz
18th3rd17th
25th
20th1st
32nd36th
CSS Colors
5th
4th
10th
16th15th
Cubes
19th
7th
9th
136th
Day of Week
1st
Diamonds
38th
22nd
13th
50th33rd
Divisors
12th
34th26th28th
38th
29th25th
1st
1st39th
8th
Emirp Numbers
7th
27th
15th
12th
20th12th21st
26th21st
6th
Emirp Numbers (Long)
15th
11th
19th
Emojify
16th
46th
Evil Numbers
22nd10th15th
22nd
48th
23rd14th
1st33rd
8th
Evil Numbers (Long)
29th
16th
13th
35th
Factorial Factorisation
11th
Farey Sequence
30th
Fibonacci
31st
8th42nd1st
1st1st147th
52nd1st
1st
43rd
1st7th
1st
Fizz Buzz
8th
19th147th109th66th
18th103rd103rd
152nd1st
47th9th
100th54th1st74th13th
Foo Fizz Buzz Bar
49th43rd35th
41st
43rd19th
1st32nd
Forsyth–Edwards Notation
25th
Fractions
30th
32nd
23rd
128th1st
Game of Life
9th
Gijswijt’s Sequence
10th
Happy Numbers
3rd
44th28th21st
19th
44th
28th12th
1st44th
10th
Happy Numbers (Long)
25th15th6th
33rd
17th12th
30th34th
Hexdump
2nd
61st
Intersection
9th
18th
3rd
59th
Inventory Sequence
33rd
24th
4th
ISBN
10th
14th
5th
35th
Jacobi Symbol
9th
6th
11th8th
27th
Kolakoski Constant
6th
6th
2nd
18th15th
Kolakoski Sequence
6th5th6th
13th11th
122nd17th
Leap Years
23rd
7th20th3rd
14th8th
27th1st
17th
46th138th27th
9th
Levenshtein Distance
17th
12th
1st
12th
79th1st
Leyland Numbers
14th
19th
36th
7th
183rd38th
ln 2
16th
72nd
Look and Say
27th
15th
71st51st
Lucky Numbers
20th
135th20th
Lucky Tickets
9th
15th
30th14th
Maze
17th
Medal Tally
7th
Morse Decoder
6th
15th
35th
Morse Encoder
9th
5th
12th
6th
36th
Musical Chords
13th
Niven Numbers
41st36th28th
26th
25th
39th1st
24th
35th68th28th
20th
Niven Numbers (Long)
31st
29th
1st
205th
Number Spiral
19th
11th
13th
55th
Odious Numbers
21st10th12th
19th
45th
26th11th
1st29th
9th
Odious Numbers (Long)
19th
19th
11th
1st
Ordinal Numbers
27th
14th
28th
1st
23rd137th
Pangram Grep
22nd
11th
1st
53rd54th
Pascal’s Triangle
28th
16th
43rd
17th
119th
Pernicious Numbers
1st
1st
18th
25th1st
1st20th
Pernicious Numbers (Long)
18th
19th
12th
185th
Poker
8th
34th
Prime Numbers
22nd30th13th
34th1st32nd1st
29th
50th24th
13th
Prime Numbers (Long)
20th22nd11th
44th1st20th1st
1st
1st62nd
4th
Proximity Grid
8th
QR Decoder
6th
17th
Quine
1st
7th
32nd
65th1st
1st92nd
Recamán
4th
1st
17th
173rd
Repeating Decimals
15th
Reverse Polish Notation
10th
135th
Rijndael S-box
14th
Rock-paper-scissors-Spock-lizard
13th
46th
Roman to Arabic
26th
1st10th
Rule 110
5th
9th
55th20th
Scrambled Sort
17th
Seven Segment
23rd
11th
9th
29th
SI Units
9th
Sierpiński Triangle
11th6th8th
10th8th
26th7th
6th
Smith Numbers
4th
12th17th14th
9th
15th16th
26th
Spelling Numbers
6th
61st
Star Wars Opening Crawl
19th
Sudoku
6th
37th
Sudoku (Fill-in)
15th
58th
Ten-pin Bowling
15th
Time Distance
13th
67th
Tongue-twisters
23rd
17th
21st
165th
United States
3rd
43rd
Vampire Numbers
4th
8th
22nd21st
Van Eck Sequence
30th
20th
19th
16th
240th
Zodiac Signs
11th
45th
γ
5th
11th
λ
7th
29th
14th
15th12th
36th24th
π
27th
62nd64th
τ
23rd
57th43rd
φ
24th
24th1st
46th35th
√2
19th
21st1st
119th29th
𝑒
23rd
16th
20th
28th
106th23rd