12 Days of Christmas
23rd
22nd
6th
2nd29th
50th
9th
99 Bottles of Beer
19th
15th
9th
5th25th
43rd
10th
Abundant Numbers
12th
19th
7th
4th
47th
15th
Abundant Numbers (Long)
6th
Arabic to Roman
💎
27th
Arithmetic Numbers
3rd
Arrows
14th
19th
6th
Ascending Primes
4th
ASCII Table
15th
10th
77th
4th
37th
12th
brainfuck
3rd
30th
Card Number Validation
8th
Catalan Numbers
9th
16th
4th
3rd
22nd
7th
Catalan’s Constant
8th
9th
3rd
3rd
7th
Christmas Trees
41st
8th
5th
5th10th
38th
11th
Collatz
8th
15th
6th
6th
50th
10th
CSS Colors
3rd
12th
Cubes
18th
7th
4th
💎
27th
9th
Day of Week
1st
Diamonds
25th
8th
5th
4th19th
29th
10th
Divisors
19th
21st
11th
1st34th
38th
9th
Emirp Numbers
11th
11th
6th
46th
6th17th
151st
56th
21st
Emirp Numbers (Long)
6th
4th
Emojify
9th
Evil Numbers
23rd
14th
8th
14th28th
111th
23rd
21st
16th
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
19th
Fibonacci
21st123rd
34th
22nd
279th
1st45th
731st
58th
14th
36th
Fizz Buzz
84th
55th
77th
980th
1st105th
1,378th
3rd
24th
Foo Fizz Buzz Bar
10th
12th
6th
11th
10th
Forsyth–Edwards Notation
3rd
Fractions
97th
1st
242nd
1st
Game of Life
8th
Gijswijt’s Sequence
2nd
Happy Numbers
17th
10th
5th
4th18th
113th
32nd
19th
Happy Numbers (Long)
6th
9th
5th
2nd
142nd
21st
7th
Hexdump
1st
Intersection
54th
💎
205th
18th
Inventory Sequence
5th
ISBN
6th
27th
Jacobi Symbol
4th
Kaprekar Numbers
5th
Kolakoski Constant
7th8th7th37th23rd
11th21st10th9th6th15th18th14th3rd10th18th49th12th
4th6th6th12th13th33rd
123rd13th23rd8th7th6th5th7th22nd
Kolakoski Sequence
16th
9th
7th
13th
7th
41st
1st
198th
26th
16th
Leap Years
14th
22nd
8th
1st
4th22nd
44th
4th
11th
18th
Levenshtein Distance
3rd
49th
Leyland Numbers
5th
8th
4th
2nd
31st
8th
ln 2
6th
Look and Say
18th
9th
2nd
6th
35th
11th
Lucky Numbers
5th
8th
3rd
7th
9th
Lucky Tickets
2nd
21st
Maze
6th
Medal Tally
5th
Morse Decoder
3rd
27th
Morse Encoder
3rd
30th
Musical Chords
2nd
14th
N Queens
7th
Niven Numbers
18th
20th
5th
1st33rd
38th
19th
Niven Numbers (Long)
4th
Number Spiral
5th
8th
4th
7th
22nd
12th
Odious Numbers
23rd
12th
7th
14th29th
81st
19th
20th
16th
Odious Numbers (Long)
4th
Ordinal Numbers
8th
44th
PalindromemordnilaP
10th
Pangram Grep
5th
74th
Partition Numbers
12th
Pascal’s Triangle
9th
8th
5th
1st18th
30th
9th
Pernicious Numbers
12th
18th
7th
1st
1st32nd
1st
19th
19th
Pernicious Numbers (Long)
10th
Poker
💎
Polyominoes
4th
Prime Numbers
10th
14th
9th
1st
1st35th
137th
54th
21st
Prime Numbers (Long)
7th
13th
6th
11th
33rd
8th
Proximity Grid
💎
QR Decoder
22nd
2nd
13th
Quine
1st
2nd
10th
28th
1st
56th
96th
28th
Recamán
5th
7th
5th
13th
6th
24th
9th
Repeating Decimals
3rd
Reverse Polish Notation
7th
Rijndael S-box
6th
Rock-paper-scissors-Spock-lizard
2nd
15th
Roman to Arabic
10th
32nd
ROT13
3rd
Rule 110
18th
5th
4th
7th
34th
11th
Seven Segment
5th
SI Units
💎
Sierpiński Triangle
19th
10th
5th
9th
25th
10th
Smith Numbers
6th
5th
4th
3rd
31st
6th
Spelling Numbers
2nd
23rd
Star Wars Opening Crawl
💎
Sudoku
4th
Sudoku (Fill-in)
2nd
Ten-pin Bowling
💎
20th
Tic-tac-toe
5th
Time Distance
3rd
Tongue-twisters
7th
12th
5th
4th
32nd
9th
Transpose Sentence
12th
United States
6th
Vampire Numbers
7th
6th
3rd
3rd
33rd
7th
Van Eck Sequence
5th
4th
5th
37th
1st
90th
16th
7th
Zodiac Signs
5th
γ
💎
λ
10th11th9th63rd33rd25th11th26th10th8th7th18th30th15th5th8th18th89th17th
1st10th7th10th18th43rd9th134th14th30th15th11th11th6th8th26th
π
12th11th11th93rd65th
12th33rd12th11th10th22nd42nd31st4th26th44th185th81st
5th10th7th45th24th65th
446th37th77th17th10th12th11th9th39th
τ
10th10th9th49th36th
11th31st11th11th8th16th33rd19th5th23rd32nd99th69th
5th7th7th37th18th44th
240th22nd51st11th10th8th6th9th23rd
φ
11th39th11th48th39th
12th35th14th11th10th17th41st29th3rd28th31st83rd66th
9th7th7th35th20th42nd
313th25th57th13th11th8th8th11th23rd
√2
18th40th11th61st45th
11th29th14th11th12th18th49th29th5th25th49th91st56th
6th7th7th33rd16th47th
173rd19th54th13th11th9th7th13th25th
𝑒
12th13th12th71st50th
12th32nd13th13th10th21st37th30th5th29th29th98th69th
10th11th8th36th25th51st
245th32nd63rd18th9th7th9th10th33rd