12 Days of Christmas
37th
21st
27th
15th
90th
9th
99 Bottles of Beer
50th
33rd
24th
23rd
105th
Abundant Numbers
6th
13th37th20th
51st33rd
42nd12th
24th
68th66th
10th
Abundant Numbers (Long)
20th
25th
27th
11th
36th
Arabic to Roman
25th
19th81st
25th
12th
91st
Arithmetic Numbers
1st
Arrows
21st
23rd
51st
Ascending Primes
30th
ASCII Table
56th
28th
5th
233rd
brainfuck
34th
16th
9th
57th
Card Number Validation
20th
Catalan Numbers
39th
1st
1st1st
Catalan’s Constant
12th
28th
Christmas Trees
13th
8th
5th
25th20th
190th30th
Collatz
20th3rd21st
26th
45th3rd
47th41st
CSS Colors
6th
5th
10th
22nd18th
Cubes
22nd
8th
16th
154th
Day of Week
1st
Diamonds
42nd
29th
17th
71st45th
Divisors
13th
37th26th30th
42nd
49th26th
1st
1st51st
9th
Emirp Numbers
7th
31st
17th
12th
24th12th22nd
38th24th
6th
Emirp Numbers (Long)
17th
13th
20th
Emojify
17th
59th
Evil Numbers
24th11th17th
23rd
52nd
39th16th
1st35th
9th
Evil Numbers (Long)
31st
18th
14th
46th
Factorial Factorisation
11th
Farey Sequence
37th
Fibonacci
31st
4th48th2nd
1st1st155th
99th1st
1st
45th
1st10th
1st
Fizz Buzz
8th21st160th111th70th
18th106th108th
177th1st
49th9th
102nd83rd1st77th13th
Foo Fizz Buzz Bar
55th47th44th
41st
57th26th
1st38th
Forsyth–Edwards Notation
28th
Fractions
37th
37th
25th
163rd1st
Game of Life
13th
Gijswijt’s Sequence
19th
Happy Numbers
3rd
49th32nd25th
21st
45th
35th12th
1st51st
12th
Happy Numbers (Long)
24th19th8th
35th
25th12th
40th39th
Hexdump
3rd
82nd
Intersection
14th
22nd
6th
70th
Inventory Sequence
37th
26th
5th
ISBN
11th
14th
7th
48th
Jacobi Symbol
9th
7th
16th14th
48th
Kolakoski Constant
6th
6th
3rd
23rd19th
Kolakoski Sequence
7th6th6th
17th14th
138th19th
Leap Years
26th
7th21st4th
17th11th
50th7th
23rd
55th161st31st
9th
Levenshtein Distance
18th
14th
1st
12th
100th1st
Leyland Numbers
15th
21st
39th
7th
205th45th
ln 2
18th
98th
Look and Say
28th
15th
92nd64th
Lucky Numbers
23rd
163rd29th
Lucky Tickets
9th
21st
53rd20th
Maze
21st
Medal Tally
11th
Morse Decoder
7th
15th
47th
Morse Encoder
9th
6th
12th
8th
49th
Musical Chords
17th
Niven Numbers
45th39th31st
28th
28th
49th1st
28th
43rd93rd32nd
24th
Niven Numbers (Long)
37th
35th
1st
237th
Number Spiral
19th
13th
13th
79th
Odious Numbers
23rd10th13th
20th
46th
39th12th
1st33rd
10th
Odious Numbers (Long)
21st
23rd
11th
1st
Ordinal Numbers
29th
14th
30th
1st
25th159th
Pangram Grep
22nd
12th
1st
69th61st
Pascal’s Triangle
28th
18th
45th
18th
138th
Pernicious Numbers
1st
1st
18th
42nd1st
1st24th
Pernicious Numbers (Long)
23rd
22nd
16th
211th
Poker
11th
53rd
Prime Numbers
25th35th16th
36th1st50th1st
34th
70th26th
15th
Prime Numbers (Long)
24th24th16th
46th1st39th1st
3rd
1st72nd
6th
Proximity Grid
9th
QR Decoder
8th
25th
Quine
1st
34th
78th1st
1st87th
Recamán
4th
1st
18th
200th
Repeating Decimals
19th
Reverse Polish Notation
12th
160th
Rijndael S-box
16th
Rock-paper-scissors-Spock-lizard
13th
60th
Roman to Arabic
28th
1st12th
Rule 110
5th
11th
77th26th
Scrambled Sort
23rd
Seven Segment
26th
12th
14th
45th
SI Units
10th
Sierpiński Triangle
9th7th9th
15th10th
32nd7th
6th
Smith Numbers
4th
13th18th17th
9th
19th19th
39th
Spelling Numbers
7th
73rd
Star Wars Opening Crawl
24th
Sudoku
8th
55th
Sudoku (Fill-in)
18th
72nd
Ten-pin Bowling
18th
Time Distance
15th
81st
Tongue-twisters
25th
20th
28th
184th
United States
6th
54th
Vampire Numbers
4th
10th
30th26th
Van Eck Sequence
32nd
23rd
19th
18th
265th
Zodiac Signs
11th
60th
γ
8th
12th
λ
7th
30th
14th
18th19th
59th32nd
π
35th
74th48th
τ
28th
69th39th
φ
25th
28th1st
51st42nd
√2
19th
30th1st
154th35th
𝑒
24th
16th
21st
33rd
139th26th