12 Days of Christmas
26th
23rd
7th
2nd31st
54th
10th
99 Bottles of Beer
22nd
18th
12th
6th27th
46th
10th
Abundant Numbers
13th
23rd
8th
4th
52nd
17th
Abundant Numbers (Long)
7th
Arabic to Roman
💎
30th
Arithmetic Numbers
3rd
Arrows
14th
19th
6th
Ascending Primes
4th
ASCII Table
16th
12th
88th
4th
40th
13th
brainfuck
3rd
37th
Card Number Validation
8th
Catalan Numbers
9th
20th
5th
3rd
25th
7th
Catalan’s Constant
9th
10th
4th
3rd
8th
Christmas Trees
44th
10th
6th
4th10th
43rd
11th
Collatz
8th
20th
7th
5th
56th
10th
CSS Colors
3rd
14th
Cubes
19th
9th
4th
2nd
31st
10th
Day of Week
1st
Diamonds
27th
10th
5th
4th21st
35th
10th
Divisors
22nd
25th
15th
1st36th
42nd
10th
Emirp Numbers
11th
14th
6th
48th
5th19th
172nd
62nd
24th
Emirp Numbers (Long)
6th
6th
Emojify
9th
Evil Numbers
25th
17th
8th
16th32nd
135th
25th
23rd
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
20th
Fibonacci
22nd136th
41st
22nd
301st
1st52nd
806th
63rd
17th
Fizz Buzz
88th
62nd
81st
1,041st
1st107th
1,464th
3rd
25th
Foo Fizz Buzz Bar
10th
16th
8th
11th
10th
Forsyth–Edwards Notation
3rd
Fractions
108th
1st
281st
1st
Game of Life
10th
Gijswijt’s Sequence
2nd
Happy Numbers
20th
14th
6th
4th21st
133rd
35th
21st
Happy Numbers (Long)
6th
12th
6th
6th
165th
22nd
7th
Hexdump
1st
Intersection
62nd
💎
236th
22nd
Inventory Sequence
7th
ISBN
7th
30th
Jacobi Symbol
4th
Kaprekar Numbers
7th
Kolakoski Constant
7th8th8th40th24th
12th22nd12th9th6th16th20th14th3rd10th24th53rd15th
5th6th7th14th17th33rd
144th14th26th12th7th8th7th8th22nd
Kolakoski Sequence
16th
9th
8th
13th
8th
43rd
1st
219th
27th
17th
Leap Years
15th
26th
10th
1st
4th24th
54th
4th
11th
Levenshtein Distance
4th
55th
Leyland Numbers
6th
13th
4th
2nd
35th
8th
ln 2
3rd
Look and Say
20th
14th
3rd
8th
40th
14th
Lucky Numbers
5th
10th
3rd
9th
9th
Lucky Tickets
2nd
25th
Maze
8th
Medal Tally
6th
Morse Decoder
4th
32nd
Morse Encoder
3rd
36th
Musical Chords
2nd
18th
N Queens
8th
Niven Numbers
22nd
25th
7th
1st38th
42nd
21st
Niven Numbers (Long)
4th
Number Spiral
6th
10th
4th
7th
26th
13th
Odious Numbers
24th
16th
7th
17th33rd
99th
22nd
23rd
Odious Numbers (Long)
4th
Ordinal Numbers
11th
48th
PalindromemordnilaP
11th
Pangram Grep
6th
81st
Partition Numbers
13th
Pascal’s Triangle
9th
14th
7th
1st21st
32nd
10th
Pernicious Numbers
15th
22nd
9th
1st
1st36th
1st
21st
21st
Pernicious Numbers (Long)
10th
Poker
2nd
Polyominoes
5th
Prime Numbers
12th
17th
9th
1st
1st41st
157th
62nd
23rd
Prime Numbers (Long)
8th
16th
9th
11th
43rd
8th
Proximity Grid
2nd
QR Decoder
27th
2nd
15th
Quine
1st
2nd
13th
31st
1st
72nd
97th
Recamán
5th
11th
5th
14th
6th
25th
9th
Repeating Decimals
3rd
Reverse Polish Notation
9th
Rijndael S-box
6th
Rock-paper-scissors-Spock-lizard
2nd
17th
Roman to Arabic
11th
37th
ROT13
3rd
Rule 110
19th
7th
5th
6th
37th
12th
Seven Segment
6th
SI Units
💎
Sierpiński Triangle
20th
11th
5th
10th
27th
10th
Smith Numbers
6th
8th
4th
36th
8th
Spelling Numbers
2nd
24th
Star Wars Opening Crawl
💎
Sudoku
5th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
2nd
26th
Tic-tac-toe
5th
Time Distance
3rd
Tongue-twisters
9th
16th
6th
4th
36th
12th
Tower of Hanoi
13th
Transpose Sentence
13th
United States
8th
Vampire Numbers
7th
7th
3rd
37th
8th
Van Eck Sequence
5th
8th
6th
42nd
1st
117th
19th
8th
Zodiac Signs
5th
γ
💎
λ
10th12th10th69th40th26th14th27th12th9th8th21st32nd16th6th9th27th100th20th
1st12th9th12th21st46th9th152nd15th34th18th12th12th8th10th29th
π
12th11th12th104th73rd
14th33rd15th11th10th21st48th32nd5th28th55th215th91st
4th11th8th52nd26th69th
499th37th48th20th10th14th14th9th41st
τ
11th10th10th56th42nd
13th31st13th11th8th15th37th19th6th25th43rd113th77th
4th8th8th41st20th45th
278th22nd40th15th10th9th8th9th24th
φ
11th41st12th54th44th
14th37th15th11th10th16th46th30th4th33rd41st95th73rd
7th7th8th39th22nd43rd
354th26th48th18th11th9th10th12th24th
√2
18th43rd12th65th50th
13th30th15th11th12th18th52nd31st6th28th61st107th61st
4th7th8th38th18th49th
202nd20th46th16th11th10th9th14th26th
𝑒
12th13th13th80th56th
13th32nd15th13th10th20th43rd33rd6th31st40th113th74th
7th11th10th41st26th52nd
277th32nd67th25th9th8th12th11th33rd