12 Days of Christmas
13th
230th6th
24 Game
5th
42nd3rd
99 Bottles of Beer
22nd33rd
272nd8th
Abundant Numbers
13th58th33rd
50th391st33rd
Abundant Numbers (Long)
7th
22nd
35th225th26th
Arabic to Roman
135th8th
Arithmetic Numbers
6th
188th6th
Arrows
9th
Ascending Primes
5th
45th9th
ASCII Table
14th44th
103rd6th
Billiards
6th
brainfuck
11th
Card Number Validation
72nd11th
Catalan Numbers
6th
143rd9th
Catalan’s Constant
6th
134th7th
Christmas Trees
24th
107th12th
Collatz
9th53rd
28th13th
CSS Colors
40th2nd
Cubes
20th
86th8th
Day of Week
261st7th
DFA Simulator
57th6th
Diamonds
18th
11th
Divisors
19th46th18th20th60th369th1st
Emirp Numbers
12th
220th19th
Emirp Numbers (Long)
8th
98th7th
Emojify
11th
Evil Numbers
11th49th39th1st22nd226th16th
Evil Numbers (Long)
8th52nd27th1st
141st3rd
Factorial Factorisation
3rd16th6th
7th44th5th
Farey Sequence
3rd27th
73rd8th
Fibonacci
17th174th1st36th150th160th17th
Fizz Buzz
89th257th27th62nd360th53rd83rd
Foo Fizz Buzz Bar
12th
24th
1st11th
Forsyth–Edwards Notation
132nd7th
Fractions
163rd16th
Game of Life
19th
4th
Gijswijt’s Sequence
6th
33rd10th
Happy Numbers
8th43rd
90th15th
Happy Numbers (Long)
8th45th
98th15th
Hexdump
10th
Intersection
200th2nd
Inventory Sequence
6th27th
53rd4th
ISBN
153rd10th
Jacobi Symbol
45th7th
Kaprekar Numbers
4th20th10th
8th26th6th
Kolakoski Constant
6th
52nd6th
Kolakoski Sequence
14th
18th15th
Leap Years
17th47th19th
24th196th30th
Levenshtein Distance
162nd12th
Leyland Numbers
6th
221st5th
ln 2
7th
83rd6th
Look and Say
10th
151st9th
Lucky Numbers
4th
91st11th
Lucky Tickets
59th2nd
Maze
51st8th
Medal Tally
6th
Morse Decoder
7th
Morse Encoder
8th
Musical Chords
6th
N Queens
3rd16th
72nd4th
Niven Numbers
18th41st14th
60th1st
Niven Numbers (Long)
7th
27th
277th17th
Number Spiral
8th
99th12th
Odious Numbers
12th45th34th1st23rd128th16th
Odious Numbers (Long)
7th43rd23rd1st
91st9th
Ordinal Numbers
242nd10th
PalindromemordnilaP
117th4th
Pangram Grep
42nd
1st
Partition Numbers
12th
Pascal’s Triangle
7th70th
323rd21st
Pernicious Numbers
9th52nd
36th
25th
Pernicious Numbers (Long)
7th28th
17th
15th
Poker
7th
Polyominoes
8th
Prime Numbers
10th113th28th33rd72nd68th15th
Prime Numbers (Long)
8th73rd17th
49th210th1st
Proximity Grid
5th
QR Decoder
6th
Quine
30th
28th
725th13th
Recamán
12th
193rd17th
Repeating Decimals
65th3rd
Reverse Polish Notation
6th
Reversi
39th4th
Rijndael S-box
5th19th
96th10th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
119th11th
ROT13
7th
Rule 110
17th
8th
Seven Segment
15th
SI Units
4th
Sierpiński Triangle
8th39th
16th
Smith Numbers
4th
90th13th
Spelling Numbers
10th
Star Wars Opening Crawl
97th5th
Sudoku
6th
Sudoku (Fill-in)
6th
Ten-pin Bowling
53rd5th
Time Distance
7th
Tongue-twisters
5th
13th
Transpose Sentence
124th5th
United States
9th
Vampire Numbers
4th
5th
Van Eck Sequence
4th
130th11th
Zeckendorf Representation
63rd9th
Zodiac Signs
52nd5th
γ
6th
74th4th
λ
12th
129th7th
π
12th48th18th
22nd112th14th
τ
11th
18th95th8th
φ
12th
17th
115th10th
√2
12th
22nd
105th11th
𝑒
13th42nd
120th18th