12 Days of Christmas
8th
26th
7th
71st
9th
99 Bottles of Beer
33rd
24th
14th
51st
Abundant Numbers
5th
17th39th20th
51st33rd
42nd12th
24th
39th66th
10th
Abundant Numbers (Long)
20th
25th
27th
11th
102nd
Arabic to Roman
26th
19th79th
25th
8th
24th
Arithmetic Numbers
1st
Arrows
21st
15th
79th
Ascending Primes
29th
ASCII Table
55th
28th
5th
72nd
brainfuck
35th
16th
7th
32nd
Card Number Validation
20th
Catalan Numbers
39th
1st
1st1st
Catalan’s Constant
12th
13th
Christmas Trees
12th
8th
4th
25th20th
63rd33rd
Collatz
11th3rd21st
26th
45th2nd
36th42nd
CSS Colors
6th
6th
8th
14th26th
Cubes
25th
7th
8th
55th
Day of Week
1st
Diamonds
42nd
29th
15th
39th45th
Divisors
13th
38th26th30th
42nd
49th26th
1st
3rd48th
9th
Emirp Numbers
4th
31st
20th
8th
20th16th22nd
77th36th
6th
Emirp Numbers (Long)
16th
13th
18th
Emojify
17th
66th
Evil Numbers
19th15th17th
23rd
52nd
39th16th
1st35th
9th
Evil Numbers (Long)
35th
18th
14th
44th
Factorial Factorisation
13th
Farey Sequence
36th
Fibonacci
33rd
4th47th2nd
1st23rd154th
93rd1st
1st
45th
1st10th
1st
Fizz Buzz
8th21st150th111th69th
18th105th108th
177th1st
48th9th
102nd49th4th77th13th
Foo Fizz Buzz Bar
49th47th43rd
41st
57th23rd
21st39th
Forsyth–Edwards Notation
17th
Fractions
36th
36th
24th
63rd1st
Game of Life
11th
Gijswijt’s Sequence
18th
Happy Numbers
3rd
47th32nd25th
14th
46th
36th17th
41st58th
12th
Happy Numbers (Long)
24th20th7th
35th
25th12th
22nd40th
Hexdump
3rd
43rd
Intersection
12th
21st
5th
26th
Inventory Sequence
37th
26th
5th
ISBN
9th
14th
7th
42nd
Jacobi Symbol
8th
7th
16th10th
35th
Kolakoski Constant
6th
6th
2nd
4th18th
Kolakoski Sequence
7th12th6th
17th14th
58th19th
Leap Years
26th
7th21st4th
19th11th
47th6th
21st
55th160th31st
9th
Levenshtein Distance
18th
14th
1st
9th
68th16th
Leyland Numbers
21st
39th
7th
76th46th
ln 2
17th
106th
Look and Say
28th
15th
35th61st
Lucky Numbers
22nd
100th26th
Lucky Tickets
9th
12th
24th20th
Maze
12th
Medal Tally
13th
Morse Decoder
7th
13th
24th
Morse Encoder
9th
6th
12th
8th
28th
Musical Chords
8th
Niven Numbers
43rd40th30th
27th
28th
50th1st
28th
42nd93rd32nd
23rd
Niven Numbers (Long)
40th
35th
1st
239th
Number Spiral
19th
13th
8th
33rd
Odious Numbers
17th14th13th
20th
46th
39th12th
1st33rd
10th
Odious Numbers (Long)
29th
22nd
11th
1st
Ordinal Numbers
28th
14th
30th
1st
25th58th
Pangram Grep
22nd
12th
1st
127th61st
Pascal’s Triangle
27th
18th
45th
17th
48th
Pernicious Numbers
1st
1st
18th
41st1st
1st24th
Pernicious Numbers (Long)
24th
22nd
14th
213th
Poker
7th
28th
Prime Numbers
22nd36th17th
35th1st50th1st
32nd
69th29th
15th
Prime Numbers (Long)
23rd24th15th
46th1st40th1st
3rd
1st70th
6th
Proximity Grid
6th
QR Decoder
7th
12th
Quine
1st
34th
78th1st
1st87th
Recamán
4th
1st
18th
63rd
Repeating Decimals
11th
Reverse Polish Notation
11th
49th
Rijndael S-box
9th
Rock-paper-scissors-Spock-lizard
11th
31st
Roman to Arabic
30th
1st21st
Rule 110
5th
12th
53rd28th
Scrambled Sort
12th
Seven Segment
26th
12th
11th
23rd
SI Units
4th
Sierpiński Triangle
9th7th9th
15th10th
45th7th
6th
Smith Numbers
4th
13th18th16th
9th
18th12th
17th
Spelling Numbers
5th
102nd
Star Wars Opening Crawl
11th
Sudoku
7th
25th
Sudoku (Fill-in)
11th
79th
Ten-pin Bowling
12th
Time Distance
10th
36th
Tongue-twisters
9th
24th
2nd
61st
United States
22nd
72nd
Vampire Numbers
1st
6th
15th29th
Van Eck Sequence
31st
23rd
19th
17th
167th
Zodiac Signs
10th
77th
γ
8th
25th
λ
3rd
10th
5th
6th10th
30th23rd
π
33rd
42nd46th
τ
26th
40th39th
φ
25th
28th1st
1st40th
√2
19th
35th1st
117th33rd
𝑒
24th
16th
21st
33rd
117th26th