12 Days of Christmas
26th
23rd
7th
2nd31st
55th
10th
99 Bottles of Beer
22nd
18th
12th
6th27th
47th
10th
Abundant Numbers
13th
23rd
8th
4th
53rd
17th
Abundant Numbers (Long)
7th
Arabic to Roman
💎
30th
Arithmetic Numbers
3rd
Arrows
14th
19th
6th
Ascending Primes
4th
ASCII Table
18th
12th
91st
4th
41st
13th
brainfuck
3rd
38th
Card Number Validation
9th
Catalan Numbers
9th
20th
5th
3rd
25th
7th
Catalan’s Constant
10th
10th
4th
5th
8th
Christmas Trees
49th
11th
6th
5th10th
44th
11th
Collatz
8th
20th
7th
6th
57th
10th
CSS Colors
3rd
14th
Cubes
19th
9th
4th
2nd
31st
10th
Day of Week
1st
Diamonds
28th
10th
5th
4th21st
36th
10th
Divisors
22nd
25th
15th
1st37th
44th
10th
Emirp Numbers
11th
14th
6th
49th
6th19th
176th
63rd
24th
Emirp Numbers (Long)
6th
6th
Emojify
9th
Evil Numbers
26th
17th
8th
16th32nd
137th
25th
23rd
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
20th
Fibonacci
22nd138th
41st
22nd
303rd
1st52nd
813th
63rd
17th
Fizz Buzz
89th
63rd
81st
1,043rd
1st107th
1,471st
3rd
25th
Foo Fizz Buzz Bar
10th
16th
8th
11th
10th
Forsyth–Edwards Notation
3rd
Fractions
109th
1st
287th
1st
Game of Life
10th
Gijswijt’s Sequence
2nd
Happy Numbers
20th
14th
6th
4th21st
134th
36th
21st
Happy Numbers (Long)
6th
12th
6th
7th
168th
22nd
7th
Hexdump
1st
Intersection
63rd
💎
237th
23rd
Inventory Sequence
7th
ISBN
8th
31st
Jacobi Symbol
4th
Kaprekar Numbers
7th
Kolakoski Constant
7th8th8th39th25th
12th22nd12th9th6th17th20th14th3rd10th25th54th15th
7th6th7th14th17th34th
147th14th27th12th7th8th7th9th23rd
Kolakoski Sequence
17th
9th
8th
13th
9th
43rd
1st
223rd
27th
17th
Leap Years
15th
26th
10th
1st
4th24th
55th
4th
11th
Levenshtein Distance
4th
55th
Leyland Numbers
6th
13th
5th
2nd
36th
8th
ln 2
6th
Look and Say
21st
14th
3rd
8th
40th
16th
Lucky Numbers
5th
10th
4th
9th
9th
Lucky Tickets
2nd
25th
Maze
8th
Medal Tally
6th
Morse Decoder
4th
32nd
Morse Encoder
3rd
36th
Musical Chords
2nd
20th
N Queens
8th
Niven Numbers
23rd
25th
7th
1st39th
43rd
21st
Niven Numbers (Long)
4th
Number Spiral
6th
10th
4th
7th
26th
13th
Odious Numbers
25th
16th
7th
17th33rd
100th
22nd
23rd
Odious Numbers (Long)
4th
Ordinal Numbers
11th
49th
PalindromemordnilaP
11th
Pangram Grep
6th
83rd
Partition Numbers
13th
Pascal’s Triangle
9th
14th
7th
1st21st
33rd
10th
Pernicious Numbers
16th
22nd
10th
1st
1st36th
1st
21st
21st
Pernicious Numbers (Long)
11th
Poker
2nd
Polyominoes
6th
Prime Numbers
14th
17th
9th
1st
1st41st
160th
63rd
23rd
Prime Numbers (Long)
8th
18th
9th
12th
45th
8th
Proximity Grid
3rd
QR Decoder
27th
2nd
15th
Quine
1st
2nd
14th
31st
1st
72nd
99th
Recamán
5th
11th
6th
14th
6th
25th
9th
Repeating Decimals
3rd
Reverse Polish Notation
10th
Rijndael S-box
6th
Rock-paper-scissors-Spock-lizard
2nd
17th
Roman to Arabic
11th
37th
ROT13
3rd
Rule 110
19th
7th
5th
7th
38th
12th
Seven Segment
6th
SI Units
💎
Sierpiński Triangle
21st
11th
6th
10th
27th
10th
Smith Numbers
6th
8th
5th
37th
8th
Spelling Numbers
2nd
24th
Star Wars Opening Crawl
💎
Sudoku
5th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
2nd
26th
Tic-tac-toe
6th
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
118th
19th
8th
Zodiac Signs
5th
γ
💎
λ
10th12th10th68th40th26th14th27th12th9th8th21st32nd16th6th9th27th101st20th
1st12th9th12th21st46th9th152nd16th34th18th12th12th8th10th29th
π
12th11th12th107th75th
15th34th15th11th10th23rd49th32nd5th28th56th216th91st
6th11th8th52nd26th72nd
503rd37th51st21st10th14th14th9th49th
τ
11th10th10th55th42nd
13th31st13th11th8th15th37th19th6th25th43rd113th77th
6th8th8th41st20th45th
278th22nd41st15th10th9th8th9th24th
φ
11th41st12th53rd44th
14th37th15th11th10th16th46th30th4th33rd42nd95th73rd
9th7th8th39th22nd43rd
356th26th49th18th11th9th10th12th23rd
√2
18th43rd13th65th51st
13th30th15th11th12th18th52nd31st6th28th62nd107th61st
6th7th8th38th18th49th
205th20th47th16th11th10th9th14th26th
𝑒
12th14th13th79th57th
13th32nd16th13th10th20th43rd33rd6th31st41st113th74th
9th12th10th41st26th52nd
282nd32nd67th25th9th8th12th11th33rd