12 Days of Christmas
36th
21st
26th
14th
82nd
9th
99 Bottles of Beer
49th
32nd
24th
23rd
99th
Abundant Numbers
6th
14th37th19th
51st33rd
40th12th
22nd
63rd65th
10th
Abundant Numbers (Long)
19th
23rd
27th
11th
35th
Arabic to Roman
24th
19th76th
23rd
12th
86th
Arithmetic Numbers
1st
Arrows
21st
22nd
48th
Ascending Primes
28th
ASCII Table
55th
26th
5th
222nd
brainfuck
33rd
16th
9th
55th
Card Number Validation
18th
Catalan Numbers
38th
1st
1st1st
Catalan’s Constant
12th
22nd
Christmas Trees
12th
7th
4th
25th20th
187th30th
Collatz
19th3rd20th
26th
45th2nd
42nd40th
CSS Colors
6th
5th
10th
18th16th
Cubes
20th
7th
12th
148th
Day of Week
1st
Diamonds
43rd
28th
14th
66th40th
Divisors
13th
36th26th29th
41st
48th26th
1st
1st46th
9th
Emirp Numbers
7th
30th
16th
12th
23rd12th22nd
37th23rd
6th
Emirp Numbers (Long)
17th
13th
19th
Emojify
16th
56th
Evil Numbers
26th10th16th
23rd
52nd
39th16th
1st35th
9th
Evil Numbers (Long)
31st
17th
13th
43rd
Factorial Factorisation
12th
Farey Sequence
33rd
Fibonacci
31st
14th44th1st
1st1st154th
90th1st
1st
44th
1st9th
1st
Fizz Buzz
8th21st155th111th69th
18th106th107th
176th1st
48th9th
101st68th1st77th13th
Foo Fizz Buzz Bar
55th47th42nd
41st
54th20th
1st35th
Forsyth–Edwards Notation
26th
Fractions
35th
34th
24th
155th1st
Game of Life
12th
Gijswijt’s Sequence
16th
Happy Numbers
3rd
47th31st23rd
21st
45th
35th12th
1st50th
12th
Happy Numbers (Long)
26th18th7th
34th
25th12th
38th36th
Hexdump
2nd
74th
Intersection
10th
20th
6th
69th
Inventory Sequence
37th
26th
5th
ISBN
11th
14th
6th
43rd
Jacobi Symbol
9th
7th
15th13th
43rd
Kolakoski Constant
6th
6th
2nd
19th16th
Kolakoski Sequence
6th5th6th
17th12th
133rd19th
Leap Years
26th
9th21st4th
16th11th
46th6th
20th
51st156th29th
9th
Levenshtein Distance
17th
12th
1st
12th
91st1st
Leyland Numbers
15th
21st
38th
7th
199th44th
ln 2
16th
92nd
Look and Say
28th
15th
87th57th
Lucky Numbers
22nd
150th23rd
Lucky Tickets
9th
17th
50th15th
Maze
20th
Medal Tally
9th
Morse Decoder
7th
15th
44th
Morse Encoder
9th
6th
12th
8th
46th
Musical Chords
15th
Niven Numbers
44th39th29th
26th
28th
49th1st
26th
39th90th32nd
22nd
Niven Numbers (Long)
35th
34th
1st
230th
Number Spiral
19th
13th
13th
71st
Odious Numbers
25th10th12th
20th
46th
39th11th
1st33rd
10th
Odious Numbers (Long)
21st
21st
11th
1st
Ordinal Numbers
29th
14th
30th
1st
24th152nd
Pangram Grep
22nd
12th
1st
65th60th
Pascal’s Triangle
28th
18th
45th
17th
136th
Pernicious Numbers
1st
1st
18th
39th1st
1st23rd
Pernicious Numbers (Long)
22nd
20th
14th
204th
Poker
9th
47th
Prime Numbers
24th35th14th
35th1st49th1st
32nd
62nd24th
15th
Prime Numbers (Long)
23rd24th14th
46th1st38th1st
1st
1st69th
6th
Proximity Grid
9th
QR Decoder
7th
23rd
Quine
1st
34th
75th1st
1st87th
Recamán
4th
1st
18th
193rd
Repeating Decimals
18th
Reverse Polish Notation
11th
152nd
Rijndael S-box
16th
Rock-paper-scissors-Spock-lizard
13th
55th
Roman to Arabic
27th
1st12th
Rule 110
5th
11th
68th23rd
Scrambled Sort
22nd
Seven Segment
24th
11th
10th
39th
SI Units
10th
Sierpiński Triangle
11th7th9th
14th8th
29th7th
6th
Smith Numbers
4th
12th18th15th
9th
18th18th
36th
Spelling Numbers
7th
71st
Star Wars Opening Crawl
23rd
Sudoku
7th
47th
Sudoku (Fill-in)
15th
68th
Ten-pin Bowling
16th
Time Distance
14th
77th
Tongue-twisters
25th
19th
26th
182nd
United States
5th
48th
Vampire Numbers
4th
9th
25th23rd
Van Eck Sequence
32nd
23rd
19th
17th
260th
Zodiac Signs
11th
58th
γ
7th
11th
λ
7th
29th
14th
17th17th
52nd29th
π
31st
69th45th
τ
25th
64th37th
φ
25th
27th1st
49th38th
√2
19th
29th1st
143rd31st
𝑒
24th
16th
21st
31st
130th25th