12 Days of Christmas
15th
13th
366th
24 Game
7th2nd
104th
99 Bottles of Beer
15th
6th
Abundant Numbers
57th
14th12th
9th36th165th23rd7th40th91st
7th
Abundant Numbers (Long)
37th
16th12th
10th
97th18th6th23rd71st
Arabic to Roman
15th76th
13th5th
194th
Arithmetic Numbers
38th
11th2nd9th
Arrows
9th
Ascending Primes
21st
10th5th
11th5th
ASCII Table
8th
194th
Billiards
4th4th
brainfuck
65th
32nd
4th
129th
Card Number Validation
7th
Catalan Numbers
13th10th
21st
21st3rd
229th
Catalan’s Constant
146th
Christmas Trees
8th
15th7th
307th
Collatz
117th
13th15th9th
24th10th14th189th
CSS Colors
1st
Cubes
3rd
Day of Week
15th86th197th
DFA Simulator
7th6th
Diamonds
20th9th
400th
Divisors
13th
27th6th
785th
Emirp Numbers
191st
10th
468th
Emirp Numbers (Long)
73rd
5th
216th
Emojify
4th
Evil Numbers
124th95th
20th
20th18th49th259th
Evil Numbers (Long)
71st63rd
16th
13th12th30th169th
Factorial Factorisation
8th
Farey Sequence
8th
105th
Fibonacci
279th186th
52nd46th33rd95th
60th4th49th173rd
Fizz Buzz
486th
32nd
10th35th526th
Foo Fizz Buzz Bar
14th
Fractions
11th
340th
Game of Life
4th
148th
Gijswijt’s Sequence
12th
106th
Happy Numbers
11th
191st
Happy Numbers (Long)
2nd
103rd
Hexdump
6th
Hilbert Curve
2nd
Intersection
4th
Inventory Sequence
12th
204th
ISBN
7th
151st
Jacobi Symbol
7th
Kaprekar Numbers
19th
5th15th
3rd
Kolakoski Sequence
2nd
Leap Years
194th
72nd
309th
17th79th724th
Levenshtein Distance
37th
9th
220th
Leyland Numbers
3rd22nd327th
Look and Say
8th
376th
Lucky Numbers
9th
Lucky Tickets
3rd
101st
Mandelbrot
5th4th5th49th
Maze
2nd
Morse Decoder
3rd
Morse Encoder
3rd
N Queens
4th
100th
Niven Numbers
25th
28th
759th
Niven Numbers (Long)
13th
14th
Number Spiral
6th
Odious Numbers
108th
19th19th49th145th
Odious Numbers (Long)
64th
16th15th33rd143rd
Ordinal Numbers
9th
PalindromemordnilaP
5th
Pangram Grep
11th
Partition Numbers
5th
81st
Pascal’s Triangle
11th
14th
512th
Pernicious Numbers
54th
26th
149th
Pernicious Numbers (Long)
26th
9th
88th
Polyominoes
3rd
Prime Numbers
94th30th49th26th13th26th13th25th126th40th19th34th415th163rd
27th
Prime Numbers (Long)
61st22nd40th21st
27th14th14th72nd34th1st10th177th
15th
Proximity Grid
4th
Quine
126th
40th
Recamán
13th8th
237th
Reverse Polish Notation
5th
232nd
Rijndael S-box
44th
4th6th
Roman to Arabic
13th
11th
ROT13
5th
Rule 110
9th
Scrambled Sort
3rd
Set
4th
Seven Segment
7th
Sierpiński Triangle
8th9th
Smith Numbers
8th
138th
Star Wars Opening Crawl
3rd
Sudoku
3rd
91st
Sudoku (Fill-in)
3rd
Tic-tac-toe
5th
Tongue-twisters
9th
Topological Sort
3rd3rd
Transpose Sentence
7th
United States
8th
Vampire Numbers
23rd18th
6th13th195th
Van Eck Sequence
12th7th
232nd
Zeckendorf Representation
3rd
π
42nd
14th
76th4th
271st
τ
57th
φ
312th
√2
211th
𝑒
4th
310th