12 Days of Christmas
13th
243rd7th
24 Game
5th
44th3rd
99 Bottles of Beer
22nd35th
295th8th
Abundant Numbers
14th59th37th
58th422nd35th
Abundant Numbers (Long)
8th
27th
45th252nd29th
Arabic to Roman
146th9th
Arithmetic Numbers
6th
216th7th
Arrows
10th
Ascending Primes
5th
49th10th
ASCII Table
15th44th
107th7th
Billiards
6th
brainfuck
12th
Card Number Validation
82nd11th
Catalan Numbers
6th
160th9th
Catalan’s Constant
7th
147th7th
Christmas Trees
24th
110th13th
Collatz
9th59th
32nd14th
CSS Colors
43rd3rd
Cubes
20th
87th8th
Day of Week
286th7th
DFA Simulator
61st6th
Diamonds
18th
12th
Divisors
20th49th19th21st72nd383rd1st
Emirp Numbers
12th
233rd20th
Emirp Numbers (Long)
8th
104th9th
Emojify
11th
Evil Numbers
11th49th43rd1st33rd244th19th
Evil Numbers (Long)
8th55th31st1st
159th4th
Factorial Factorisation
3rd16th6th
10th50th5th
Farey Sequence
3rd27th
81st9th
Fibonacci
18th177th1st36th164th176th18th
Fizz Buzz
91st267th29th67th375th54th85th
Foo Fizz Buzz Bar
12th
27th
1st12th
Forsyth–Edwards Notation
141st7th
Fractions
174th16th
Game of Life
19th
5th
Gijswijt’s Sequence
6th
37th10th
Happy Numbers
9th45th
99th16th
Happy Numbers (Long)
8th46th
105th17th
Hexdump
10th
Intersection
217th2nd
Inventory Sequence
6th27th
60th5th
ISBN
163rd11th
Jacobi Symbol
48th7th
Kaprekar Numbers
4th20th13th
17th29th7th
Kolakoski Constant
7th
58th7th
Kolakoski Sequence
14th
19th17th
Leap Years
17th52nd22nd
37th212th30th
Levenshtein Distance
170th12th
Leyland Numbers
6th
235th5th
ln 2
8th
99th6th
Look and Say
10th
162nd9th
Lucky Numbers
4th
97th13th
Lucky Tickets
67th2nd
Mandelbrot
10th
Maze
56th8th
Medal Tally
6th
Morse Decoder
7th
Morse Encoder
8th
Musical Chords
6th
N Queens
4th17th
83rd6th
Niven Numbers
20th41st16th
68th1st
Niven Numbers (Long)
7th
32nd
296th18th
Number Spiral
8th
105th12th
Odious Numbers
12th47th41st1st35th139th19th
Odious Numbers (Long)
7th47th29th1st
104th10th
Ordinal Numbers
253rd11th
PalindromemordnilaP
127th5th
Pangram Grep
41st
1st
Partition Numbers
13th
Pascal’s Triangle
7th73rd
342nd22nd
Pernicious Numbers
9th54th
43rd
28th
Pernicious Numbers (Long)
7th28th
25th
17th
Poker
7th
Polyominoes
8th
Prime Numbers
10th117th30th36th78th74th17th
Prime Numbers (Long)
9th78th18th
56th226th1st
Proximity Grid
6th
QR Decoder
6th
Quine
30th
28th
750th15th
Recamán
12th
207th18th
Repeating Decimals
72nd4th
Reverse Polish Notation
7th
Reversi
45th4th
Rijndael S-box
5th21st
106th11th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
128th13th
ROT13
8th
Rule 110
17th
8th
Seven Segment
17th
SI Units
4th
Sierpiński Triangle
9th41st
16th
Smith Numbers
4th
96th15th
Spelling Numbers
11th
Star Wars Opening Crawl
103rd5th
Sudoku
6th
Sudoku (Fill-in)
6th
Ten-pin Bowling
57th7th
Time Distance
7th
Tongue-twisters
5th
13th
Transpose Sentence
136th5th
United States
9th
Vampire Numbers
4th
6th
Van Eck Sequence
4th
146th11th
Zeckendorf Representation
73rd9th
Zodiac Signs
58th5th
γ
7th
82nd5th
λ
13th
138th8th
π
13th50th19th
26th125th14th
τ
12th
22nd107th8th
φ
13th
18th
127th10th
√2
13th
24th
119th11th
𝑒
14th44th
136th18th