12 Days of Christmas
16th
26th
287th8th
24 Game
5th
7th
99 Bottles of Beer
28th37th
341st10th
Abundant Numbers
14th66th
41st
29th458th39th
Abundant Numbers (Long)
8th
29th
35th282nd36th
Alphabetic Numbers
3rd
8th
Arabic to Roman
175th10th
Arithmetic Numbers
7th
264th8th
Arrows
13th
Ascending Primes
7th
79th12th
ASCII Table
18th47th
132nd6th
Billiards
8th
brainfuck
15th
Calendar
4th
Card Number Validation
106th13th
Catalan Numbers
7th
186th12th
Catalan’s Constant
10th
173rd9th
Christmas Trees
20th
139th15th
Collatz
10th68th
46th6th
Continued Fractions
6th
CSS Colors
56th6th
Cubes
21st
107th9th
Day of Week
321st10th
DFA Simulator
78th9th
Diamonds
21st
52nd
14th
Divisors
22nd55th
22nd26th34th419th1st
Emirp Numbers
14th
255th21st
Emirp Numbers (Long)
8th
126th13th
Emojify
15th
Evil Numbers
16th52nd
44th1st24th270th21st
Evil Numbers (Long)
12th64th
32nd1st
183rd5th
Factorial Factorisation
3rd17th
8th
11th73rd7th
Farey Sequence
3rd31st
107th13th
Fibonacci
20th194th
1st43rd67th211th1st
Fizz Buzz
97th288th
38th
31st75th74th82nd88th
Foo Fizz Buzz Bar
16th
32nd
1st23rd
Forsyth–Edwards Notation
169th8th
Fractions
205th18th
Game of Life
18th
6th
Gijswijt’s Sequence
9th
65th13th
Gray Code Decoder
11th
Gray Code Encoder
10th
Happy Numbers
9th50th
122nd18th
Happy Numbers (Long)
8th48th
127th18th
Hexdump
11th
Hilbert Curve
3rd
6th
Intersection
252nd3rd
Inventory Sequence
6th31st
82nd6th
ISBN
189th15th
Jacobi Symbol
70th9th
Kaprekar Numbers
4th26th
14th
11th51st9th
Kolakoski Constant
8th
83rd9th
Kolakoski Sequence
17th
23rd18th
Leap Years
20th62nd
24th
20th237th35th
Levenshtein Distance
203rd15th
Leyland Numbers
7th
261st6th
ln 2
9th
130th8th
Look and Say
12th
198th13th
Lucky Numbers
4th
121st15th
Lucky Tickets
87th3rd
Mandelbrot
5th
13th
Maze
73rd10th
Medal Tally
8th
Minesweeper
6th
Morse Decoder
10th
Morse Encoder
7th
Multitap Input
78th5th
Musical Chords
9th
N Queens
4th19th
107th7th
Nim
5th
Niven Numbers
23rd45th
21st
93rd1st
Niven Numbers (Long)
7th
36th
339th23rd
Number Spiral
9th
137th15th
Odious Numbers
15th53rd
43rd1st27th165th20th
Odious Numbers (Long)
7th57th
30th1st
125th12th
Ordinal Numbers
278th14th
PalindromemordnilaP
163rd9th
Pangram Grep
45th
3rd
Partition Numbers
3rd26th
108th16th
Pascal’s Triangle
7th78th
379th24th
Pernicious Numbers
11th66th59th
35th
35th
Pernicious Numbers (Long)
7th34th
25th
20th
Poker
10th
Polyominoes
4th
10th
Prime Numbers
17th126th
34th42nd39th101st16th
Prime Numbers (Long)
9th86th
23rd
36th262nd1st
Proximity Grid
7th
QR Decoder
9th
Quine
141st27th
38th
812th1st
Recamán
13th
236th22nd
Repeating Decimals
96th6th
Reverse Polish Notation
9th
Reversi
67th6th
Rijndael S-box
5th25th
133rd13th
Rock-paper-scissors-Spock-lizard
8th
Roman to Arabic
146th14th
ROT13
14th
Rule 110
19th
10th
Set
8th
Seven Segment
20th
SI Units
5th
Sierpiński Triangle
10th39th
17th
Smith Numbers
4th
117th17th
Spelling Numbers
13th
Star Wars Opening Crawl
121st7th
Sudoku
7th
Sudoku (Fill-in)
9th
Taxicab Numbers
2nd
10th
Ten-pin Bowling
75th9th
Tic-tac-toe
9th
Time Distance
9th
Tongue-twisters
5th
16th
Tower of Hanoi
10th
21st
Transpose Sentence
165th8th
Trinomial Triangle
3rd
7th
Ulam Sequence
4th
United States
10th
Vampire Numbers
4th
7th
Van Eck Sequence
4th
169th13th
Zeckendorf Representation
95th11th
Zodiac Signs
77th6th
γ
10th
102nd6th
λ
15th
48th
160th10th
π
15th57th
22nd
25th152nd17th
τ
13th
23rd129th10th
φ
14th
20th
152nd11th
√2
15th
25th
154th11th
𝑒
16th51st
171st22nd