12 Days of Christmas
9th
50th
86th
6th
99 Bottles of Beer
28th
17th
88th
8th
Abundant Numbers
8th
💎
19th
11th
34th
5th
Abundant Numbers (Long)
1st
2nd
3rd
Arabic to Roman
7th
49th
10th
9th
Arithmetic Numbers
1st
51st
Arrows
9th
12th
Ascending Primes
💎
1st
ASCII Table
12th
brainfuck
5th
8th
Catalan Numbers
4th
1st
1st
Christmas Trees
12th
8th
2nd
Collatz
7th
5th
CSS Colors
1st
49th
15th
8th
Cubes
10th
30th
2nd
Day of Week
1st
84th
1st
DFA Simulator
39th
Diamonds
10th
9th
18th
6th
Divisors
6th109th
21st
12th
37th
1st
4th
1st
Emirp Numbers
5th
8th58th
20th
3rd
25th
7th
Emirp Numbers (Long)
5th
Emojify
Evil Numbers
24th
7th46th
8th
25th
7th
1st
1st
31st
2nd
Evil Numbers (Long)
9th
10th
1st
1st
Factorial Factorisation
3rd
24th
Farey Sequence
1st
27th
Fibonacci
57th42nd
16th121st
13th
44th
1st1st29th28th
38th
1st
57th
5th
Fizz Buzz
2nd
1st
4th
38th
1st
8th
266th24th1st42nd3rd
1st
Foo Fizz Buzz Bar
1st
1st
4th
Fractions
1st
6th
1st19th1st
💎
Gijswijt’s Sequence
35th
Happy Numbers
5th
3rd
17th
1st
53rd
8th
Happy Numbers (Long)
3rd
6th
Hexdump
1st
Intersection
14th
13th
20th
4th
Inventory Sequence
7th
ISBN
80th
Kaprekar Numbers
6th
Kolakoski Constant
18th
6th
Kolakoski Sequence
6th
20th
12th
4th
Leap Years
6th33rd
14th
43rd
12th
17th
12th
Levenshtein Distance
12th
10th
13th
16th
Leyland Numbers
1st
6th
12th
1st
25th
3rd
ln 2
1st
Look and Say
6th
Lucky Numbers
3rd
Lucky Tickets
13th
10th
Morse Decoder
Morse Encoder
7th
12th
Musical Chords
12th
Niven Numbers
10th54th
1st
1st
17th
1st
1st
8th
Niven Numbers (Long)
💎
15th
Number Spiral
4th
Odious Numbers
7th7th
8th
1st21st4th
1st
1st
26th
1st
Odious Numbers (Long)
5th
8th
1st
1st
1st
Ordinal Numbers
💎
1st
3rd
1st
Pangram Grep
43rd
1st
11th
91st
22nd
12th
Pascal’s Triangle
10th
41st
1st
5th
Pernicious Numbers
8th20th
16th
1st
26th
1st
1st22nd
1st
1st
18th
1st
Pernicious Numbers (Long)
5th
23rd
1st
Poker
5th
Prime Numbers
6th70th
20th
4th
1st
217th
1st
45th
55th36th
1st100th10th
1st
Prime Numbers (Long)
53rd
1st
1st
1st
1st
43rd
1st
QR Decoder
16th
Quine
1st1st
2nd89th58th18th
1st48th3rd1st17th72nd51st68th28th75th
1st20th
75th43rd
1st41st1st99th42nd8th
Recamán
1st
Repeating Decimals
1st
Reverse Polish Notation
1st
1st
Reversi
15th
Rock-paper-scissors-Spock-lizard
5th
3rd
28th
8th
Roman to Arabic
7th
11th
1st
6th
ROT13
41st
Rule 110
10th
13th
6th
13th
5th
Seven Segment
9th
1st
💎
Sierpiński Triangle
9th54th
8th
💎
Spelling Numbers
51st
17th
Star Wars Opening Crawl
18th
Sudoku
4th
3rd
Ten-pin Bowling
10th
Time Distance
10th
Tongue-twisters
11th
15th
21st
7th
Transpose Sentence
1st
2nd
United States
Vampire Numbers
24th5th
14th
Van Eck Sequence
1st
26th
Zeckendorf Representation
10th
Zodiac Signs
16th
λ
4th
5th18th
💎
3rd
7th
💎
4th
6th
π
6th
6th52nd
7th
7th
15th
5th
τ
5th
4th
7th
5th
13th
4th
φ
4th
5th21st
1st
1st
7th
1st
4th
√2
5th
7th21st
1st
7th
1st
4th
𝑒
9th
7th24th
15th
6th
8th
1st
13th
4th