12 Days of Christmas
14th
13th
337th
99 Bottles of Beer
14th
6th
Abundant Numbers
49th
12th11th
8th61st156th48th7th44th86th
7th
Abundant Numbers (Long)
35th
14th11th
9th
89th
6th23rd66th
Arabic to Roman
12th74th
6th
174th
Arithmetic Numbers
36th
2nd9th
Arrows
9th
Ascending Primes
24th
10th5th
5th
ASCII Table
7th
170th
Billiards
3rd
brainfuck
56th
30th
4th
118th
Card Number Validation
6th
Catalan Numbers
12th10th
17th
27th3rd
209th
Catalan’s Constant
128th
Christmas Trees
7th
7th
288th
Collatz
106th
13th14th8th
38th9th
169th
CSS Colors
37th
Cubes
3rd
Day of Week
14th83rd171st
DFA Simulator
5th
Diamonds
9th
368th
Divisors
13th
6th
751st
Emirp Numbers
180th
8th
436th
Emirp Numbers (Long)
62nd
3rd
189th
Emojify
3rd
Evil Numbers
120th89th
18th
17th48th241st
Evil Numbers (Long)
68th60th
13th
10th29th150th
Factorial Factorisation
8th
Farey Sequence
7th
91st
Fibonacci
262nd173rd
51st44th31st89th
4th46th155th
Fizz Buzz
468th
30th
13th35th501st
Foo Fizz Buzz Bar
14th
Fractions
10th
311th
Game of Life
6th
131st
Gijswijt’s Sequence
10th
94th
Happy Numbers
9th
178th
Happy Numbers (Long)
2nd
97th
Hexdump
5th
Intersection
4th
Inventory Sequence
8th
182nd
ISBN
6th
137th
Jacobi Symbol
7th
Kaprekar Numbers
18th
5th11th
3rd
Kolakoski Sequence
4th
Leap Years
186th
64th
297th
17th76th689th
Levenshtein Distance
36th
7th
197th
Leyland Numbers
3rd22nd309th
Look and Say
7th
351st
Lucky Numbers
8th
Lucky Tickets
3rd
88th
Maze
5th
Morse Decoder
3rd
Morse Encoder
3rd
N Queens
3rd
85th
Niven Numbers
20th
24th
720th
Niven Numbers (Long)
10th
12th
Number Spiral
6th
Odious Numbers
103rd
18th46th134th
Odious Numbers (Long)
61st
13th31st126th
Ordinal Numbers
7th
PalindromemordnilaP
4th
Pangram Grep
11th
Partition Numbers
4th
54th
Pascal’s Triangle
11th
12th
484th
Pernicious Numbers
49th
24th
134th
Pernicious Numbers (Long)
21st
7th
75th
Polyominoes
2nd
Prime Numbers
91st29th45th24th13th23rd11th24th116th42nd17th34th392nd158th
25th
Prime Numbers (Long)
59th20th37th18th
23rd11th14th62nd32nd1st14th162nd
12th
Proximity Grid
4th
Quine
123rd
38th
Recamán
8th
219th
Reverse Polish Notation
4th
213th
Rijndael S-box
40th
4th6th
Roman to Arabic
12th
9th
ROT13
4th
Rule 110
8th
Seven Segment
7th
Sierpiński Triangle
8th9th
Smith Numbers
8th
131st
Star Wars Opening Crawl
3rd
Sudoku
3rd
82nd
Sudoku (Fill-in)
3rd
Tic-tac-toe
4th
Tongue-twisters
8th
Transpose Sentence
6th
United States
6th
Vampire Numbers
23rd18th
5th13th179th
Van Eck Sequence
8th
212th
Zeckendorf Representation
3rd
π
41st
13th
3rd
247th
φ
291st
√2
194th
𝑒
4th
284th