12 Days of Christmas
9th
55th
87th
6th
99 Bottles of Beer
29th
18th
89th
8th
Abundant Numbers
8th
💎
14th
11th
34th
7th
Abundant Numbers (Long)
1st
2nd
3rd
Arabic to Roman
7th
51st
10th
9th
Arithmetic Numbers
1st
55th
Arrows
9th
13th
Ascending Primes
💎
1st
ASCII Table
13th
brainfuck
5th
8th
Catalan Numbers
4th
1st
1st
Christmas Trees
12th
8th
2nd
Collatz
7th
5th
CSS Colors
1st
49th
15th
8th
Cubes
10th
32nd
2nd
Day of Week
1st
88th
1st
DFA Simulator
40th
Diamonds
10th
9th
18th
6th
Divisors
6th110th
21st
12th
37th
1st
4th
1st
Emirp Numbers
5th
8th59th
15th
3rd
25th
8th
Emirp Numbers (Long)
5th
Emojify
Evil Numbers
24th
7th46th
8th
24th
7th
1st
1st
31st
2nd
Evil Numbers (Long)
9th
10th
1st
1st
Factorial Factorisation
3rd
26th
Farey Sequence
1st
29th
Fibonacci
58th44th
16th123rd
13th
44th
1st1st30th28th
38th
1st
58th
5th
Fizz Buzz
2nd
1st
4th
38th
1st
8th
267th25th1st42nd3rd
3rd
Foo Fizz Buzz Bar
1st
1st
4th
Fractions
1st
6th
1st19th1st
💎
Gijswijt’s Sequence
37th
Happy Numbers
5th
3rd
14th
1st
53rd
9th
Happy Numbers (Long)
3rd
6th
Hexdump
1st
Intersection
14th
13th
21st
5th
Inventory Sequence
8th
ISBN
82nd
Kaprekar Numbers
5th
Kolakoski Constant
18th
6th
Kolakoski Sequence
6th
18th
12th
4th
Leap Years
6th35th
11th
43rd
12th
17th
13th
Levenshtein Distance
13th
10th
15th
16th
Leyland Numbers
1st
6th
12th
1st
25th
4th
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
10th55th
1st
1st
13th
1st
1st
9th
Niven Numbers (Long)
💎
15th
Number Spiral
4th
Odious Numbers
7th7th
8th
21st4th
1st
1st
26th
1st
Odious Numbers (Long)
5th
8th
1st
1st
1st
Ordinal Numbers
💎
1st
3rd
1st
Pangram Grep
43rd
1st
7th
95th
23rd
12th
Pascal’s Triangle
10th
41st
1st
5th
Pernicious Numbers
8th20th
17th
1st
26th
1st
1st22nd
1st
1st
19th
1st
Pernicious Numbers (Long)
6th
23rd
1st
Poker
5th
Prime Numbers
6th72nd
20th
4th
1st
218th
1st
45th
56th37th
1st101st10th
1st
Prime Numbers (Long)
54th
1st
1st
1st
1st
43rd
1st
QR Decoder
17th
Quine
1st1st
2nd93rd58th18th
1st50th3rd1st18th74th53rd71st28th76th
1st20th
76th44th
1st41st1st1st45th8th
Recamán
1st
Repeating Decimals
1st
Reverse Polish Notation
1st
1st
Reversi
16th
Rock-paper-scissors-Spock-lizard
5th
3rd
31st
9th
Roman to Arabic
7th
11th
1st
7th
ROT13
45th
Rule 110
10th
10th
7th
13th
5th
Seven Segment
9th
1st
💎
Sierpiński Triangle
9th54th
6th
💎
Spelling Numbers
54th
18th
Star Wars Opening Crawl
19th
Sudoku
4th
3rd
Ten-pin Bowling
12th
Time Distance
11th
Tongue-twisters
11th
17th
22nd
8th
Transpose Sentence
1st
2nd
United States
Vampire Numbers
24th5th
14th
Van Eck Sequence
1st
26th
Zeckendorf Representation
11th
Zodiac Signs
16th
λ
4th
5th18th
💎
3rd
7th
💎
4th
6th
π
6th
6th53rd
7th
8th
15th
5th
τ
5th
4th
7th
6th
13th
4th
φ
4th
5th21st
1st
1st
7th
1st
1st
4th
√2
5th
7th21st
1st
7th
1st
1st
4th
𝑒
9th
7th24th
15th
6th
8th
1st
14th
4th