12 Days of Christmas
8th
26th
7th
65th
9th
99 Bottles of Beer
33rd
24th
13th
41st
Abundant Numbers
5th
16th37th16th
47th30th
28th12th
19th
34th60th
8th
Abundant Numbers (Long)
15th
22nd
26th
11th
88th
Arabic to Roman
23rd
17th69th
22nd
7th
21st
Arithmetic Numbers
1st
Arrows
21st
14th
61st
Ascending Primes
23rd
ASCII Table
50th
25th
5th
62nd
brainfuck
33rd
14th
7th
30th
Card Number Validation
15th
Catalan Numbers
37th
1st
1st1st
Catalan’s Constant
12th
12th
Christmas Trees
12th
7th
4th
21st19th
51st29th
Collatz
11th3rd18th
25th
32nd1st
36th37th
CSS Colors
6th
6th
8th
13th23rd
Cubes
25th
7th
6th
52nd
Day of Week
1st
Diamonds
38th
23rd
13th
31st36th
Divisors
12th
36th26th30th
38th
37th26th
1st
1st41st
8th
Emirp Numbers
4th
28th
18th
8th
18th16th22nd
72nd34th
6th
Emirp Numbers (Long)
14th
12th
16th
Emojify
17th
60th
Evil Numbers
19th14th16th
22nd
48th
33rd14th
1st34th
8th
Evil Numbers (Long)
34th
16th
13th
37th
Factorial Factorisation
12th
Farey Sequence
30th
Fibonacci
32nd
3rd42nd1st
1st19th148th
64th1st
1st
43rd
1st7th
1st
Fizz Buzz
8th
19th140th109th67th
18th103rd103rd
156th1st
47th9th
101st41st3rd74th13th
Foo Fizz Buzz Bar
47th45th37th
41st
44th19th
18th34th
Forsyth–Edwards Notation
14th
Fractions
30th
34th
23rd
57th1st
Game of Life
10th
Gijswijt’s Sequence
10th
Happy Numbers
3rd
44th30th22nd
14th
45th
33rd17th
35th54th
11th
Happy Numbers (Long)
24th18th6th
33rd
21st12th
18th36th
Hexdump
3rd
37th
Intersection
9th
18th
2nd
24th
Inventory Sequence
34th
26th
4th
ISBN
8th
14th
5th
40th
Jacobi Symbol
8th
7th
12th5th
27th
Kolakoski Constant
6th
6th
2nd
4th18th
Kolakoski Sequence
6th12th6th
15th11th
53rd17th
Leap Years
23rd
7th20th3rd
18th8th
33rd1st
17th
47th143rd27th
9th
Levenshtein Distance
17th
12th
1st
8th
58th16th
Leyland Numbers
20th
36th
7th
70th40th
ln 2
16th
90th
Look and Say
27th
15th
29th51st
Lucky Numbers
20th
86th21st
Lucky Tickets
9th
12th
22nd16th
Maze
11th
Medal Tally
10th
Morse Decoder
6th
13th
21st
Morse Encoder
9th
5th
12th
6th
24th
Musical Chords
7th
Niven Numbers
39th37th29th
26th
25th
43rd1st
25th
37th72nd28th
20th
Niven Numbers (Long)
34th
29th
1st
216th
Number Spiral
19th
11th
8th
30th
Odious Numbers
16th14th12th
19th
45th
35th11th
1st29th
9th
Odious Numbers (Long)
28th
19th
11th
1st
Ordinal Numbers
26th
14th
28th
1st
23rd55th
Pangram Grep
22nd
11th
1st
116th57th
Pascal’s Triangle
28th
17th
43rd
17th
43rd
Pernicious Numbers
1st
1st
18th
32nd1st
1st20th
Pernicious Numbers (Long)
20th
19th
12th
195th
Poker
5th
23rd
Prime Numbers
21st31st17th
34th1st37th1st
29th
53rd27th
13th
Prime Numbers (Long)
20th22nd12th
44th1st27th1st
1st
1st62nd
5th
Proximity Grid
5th
QR Decoder
6th
11th
Quine
1st
7th
32nd
66th1st
1st96th
Recamán
4th
1st
17th
56th
Repeating Decimals
9th
Reverse Polish Notation
10th
48th
Rijndael S-box
9th
Rock-paper-scissors-Spock-lizard
11th
24th
Roman to Arabic
29th
1st21st
Rule 110
5th
11th
39th23rd
Scrambled Sort
8th
Seven Segment
24th
12th
9th
18th
SI Units
3rd
Sierpiński Triangle
11th6th9th
12th8th
37th7th
6th
Smith Numbers
4th
12th18th15th
9th
16th11th
13th
Spelling Numbers
3rd
92nd
Star Wars Opening Crawl
8th
Sudoku
6th
22nd
Sudoku (Fill-in)
11th
69th
Ten-pin Bowling
11th
Time Distance
9th
34th
Tongue-twisters
8th
22nd
2nd
57th
United States
21st
63rd
Vampire Numbers
1st
5th
14th25th
Van Eck Sequence
30th
22nd
19th
16th
150th
Zodiac Signs
10th
65th
γ
5th
17th
λ
3rd
10th
5th
6th8th
22nd19th
π
28th
38th64th
τ
23rd
36th44th
φ
24th
27th1st
1st35th
√2
19th
35th1st
100th29th
𝑒
23rd
16th
20th
29th
99th24th