12 Days of Christmas
24th
22nd
6th
2nd29th
52nd
9th
99 Bottles of Beer
20th
15th
9th
6th25th
44th
10th
Abundant Numbers
12th
19th
7th
4th
48th
15th
Abundant Numbers (Long)
6th
Arabic to Roman
💎
28th
Arithmetic Numbers
3rd
Arrows
14th
19th
6th
Ascending Primes
4th
ASCII Table
16th
11th
83rd
4th
38th
12th
brainfuck
3rd
31st
Card Number Validation
8th
Catalan Numbers
9th
17th
4th
3rd
22nd
7th
Catalan’s Constant
8th
9th
3rd
4th
7th
Christmas Trees
42nd
8th
5th
5th10th
38th
11th
Collatz
8th
16th
6th
8th
51st
10th
CSS Colors
3rd
12th
Cubes
18th
8th
4th
💎
28th
9th
Day of Week
1st
Diamonds
26th
8th
5th
4th20th
29th
10th
Divisors
20th
22nd
11th
1st36th
39th
9th
Emirp Numbers
11th
12th
6th
47th
6th17th
160th
57th
21st
Emirp Numbers (Long)
6th
4th
Emojify
9th
Evil Numbers
23rd
15th
8th
14th28th
117th
23rd
21st
16th
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
19th
Fibonacci
21st127th
35th
22nd
282nd
1st49th
751st
59th
15th
38th
Fizz Buzz
85th
57th
77th
1,007th
1st105th
1,409th
3rd
24th
Foo Fizz Buzz Bar
10th
13th
6th
12th
10th
Forsyth–Edwards Notation
3rd
Fractions
102nd
1st
260th
1st
Game of Life
9th
Gijswijt’s Sequence
2nd
Happy Numbers
18th
12th
5th
4th19th
122nd
33rd
19th
Happy Numbers (Long)
6th
9th
5th
2nd
148th
22nd
7th
Hexdump
1st
Intersection
56th
💎
215th
18th
Inventory Sequence
6th
ISBN
6th
27th
Jacobi Symbol
4th
Kaprekar Numbers
5th
Kolakoski Constant
7th8th7th37th24th
12th21st11th9th6th16th18th14th3rd10th18th49th12th
5th6th7th12th17th33rd
127th13th24th10th7th6th5th7th22nd
Kolakoski Sequence
16th
9th
7th
12th
7th
42nd
1st
206th
27th
16th
Leap Years
15th
23rd
8th
1st
4th22nd
47th
4th
11th
18th
Levenshtein Distance
3rd
50th
Leyland Numbers
5th
8th
4th
2nd
32nd
8th
ln 2
6th
Look and Say
18th
10th
2nd
7th
35th
11th
Lucky Numbers
5th
8th
3rd
8th
9th
Lucky Tickets
2nd
21st
Maze
7th
Medal Tally
5th
Morse Decoder
4th
29th
Morse Encoder
3rd
32nd
Musical Chords
2nd
14th
N Queens
8th
Niven Numbers
19th
22nd
6th
1st34th
41st
19th
Niven Numbers (Long)
4th
Number Spiral
6th
8th
4th
7th
22nd
12th
Odious Numbers
23rd
13th
7th
14th29th
83rd
20th
20th
16th
Odious Numbers (Long)
4th
Ordinal Numbers
9th
44th
PalindromemordnilaP
10th
Pangram Grep
5th
75th
Partition Numbers
12th
Pascal’s Triangle
9th
10th
6th
1st20th
31st
9th
Pernicious Numbers
12th
19th
7th
1st
1st32nd
1st
19th
19th
Pernicious Numbers (Long)
11th
Poker
💎
Polyominoes
5th
Prime Numbers
10th
15th
9th
1st
1st35th
142nd
58th
21st
Prime Numbers (Long)
8th
13th
6th
11th
36th
8th
Proximity Grid
2nd
QR Decoder
22nd
2nd
13th
Quine
1st
2nd
10th
29th
1st
63rd
99th
29th
Recamán
5th
8th
5th
14th
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
33rd
ROT13
3rd
Rule 110
18th
5th
4th
7th
34th
11th
Seven Segment
5th
SI Units
💎
Sierpiński Triangle
19th
10th
5th
10th
25th
10th
Smith Numbers
6th
5th
4th
3rd
31st
6th
Spelling Numbers
2nd
23rd
Star Wars Opening Crawl
💎
Sudoku
5th
Sudoku (Fill-in)
2nd
Ten-pin Bowling
💎
21st
Tic-tac-toe
5th
Time Distance
3rd
Tongue-twisters
7th
12th
5th
4th
33rd
9th
Transpose Sentence
12th
United States
7th
Vampire Numbers
7th
3rd
3rd
3rd
33rd
7th
Van Eck Sequence
5th
4th
5th
38th
1st
94th
17th
7th
Zodiac Signs
5th
γ
💎
λ
10th11th9th64th34th26th12th26th10th8th7th19th31st15th5th9th18th92nd17th
1st11th8th10th20th44th9th141st14th32nd16th11th11th6th8th27th
π
12th11th11th97th66th
13th33rd14th11th10th21st43rd31st4th27th45th197th87th
5th11th8th45th26th66th
464th37th78th19th10th13th11th9th39th
τ
10th10th9th51st37th
12th31st12th11th8th15th33rd19th5th24th34th104th75th
5th8th8th37th20th44th
255th22nd53rd13th10th8th6th9th23rd
φ
11th39th11th48th39th
13th35th15th11th10th16th43rd29th3rd28th31st88th70th
9th7th8th35th22nd42nd
326th25th60th16th11th8th8th11th23rd
√2
18th41st11th60th46th
12th29th15th11th12th18th50th29th5th26th49th98th59th
6th7th8th34th18th47th
180th19th57th15th11th9th7th13th25th
𝑒
12th13th12th74th51st
13th32nd14th13th10th20th39th31st5th29th29th104th72nd
10th11th9th37th25th51st
255th32nd65th22nd9th7th10th11th33rd