12 Days of Christmas
13th
87th7th
24 Game
5th
57th3rd
99 Bottles of Beer
22nd32nd
84th8th
Abundant Numbers
13th60th35th
51st106th33rd
Abundant Numbers (Long)
7th
26th
36th60th26th
Arabic to Roman
39th9th
Arithmetic Numbers
6th
45th6th
Arrows
7th
Ascending Primes
5th
28th9th
ASCII Table
15th44th
123rd6th
Billiards
6th
brainfuck
11th
Card Number Validation
88th11th
Catalan Numbers
6th
154th9th
Catalan’s Constant
6th
138th6th
Christmas Trees
24th
55th12th
Collatz
9th57th
43rd13th
CSS Colors
49th3rd
Cubes
20th
44th5th
Day of Week
242nd7th
DFA Simulator
25th6th
Diamonds
18th
11th
Divisors
19th46th19th21st62nd108th1st
Emirp Numbers
12th
143rd19th
Emirp Numbers (Long)
8th
39th7th
Emojify
11th
Evil Numbers
11th49th41st1st24th236th18th
Evil Numbers (Long)
8th53rd29th1st
150th3rd
Factorial Factorisation
3rd16th6th
7th16th5th
Farey Sequence
3rd27th
35th8th
Fibonacci
17th177th19th36th153rd165th17th
Fizz Buzz
90th262nd28th66th366th38th85th
Foo Fizz Buzz Bar
12th
26th
16th12th
Forsyth–Edwards Notation
138th6th
Fractions
95th16th
Game of Life
19th
4th
Gijswijt’s Sequence
6th
59th10th
Happy Numbers
8th43rd
90th7th
Happy Numbers (Long)
8th45th
42nd16th
Hexdump
10th
Intersection
70th2nd
Inventory Sequence
6th27th
22nd4th
ISBN
59th10th
Jacobi Symbol
39th7th
Kaprekar Numbers
4th20th10th
8th34th6th
Kolakoski Constant
6th
29th6th
Kolakoski Sequence
14th
50th15th
Leap Years
17th53rd23rd
25th208th30th
Levenshtein Distance
72nd12th
Leyland Numbers
6th
77th5th
ln 2
7th
69th7th
Look and Say
10th
57th9th
Lucky Numbers
4th
73rd11th
Lucky Tickets
33rd2nd
Mandelbrot
10th
Maze
22nd8th
Medal Tally
6th
Morse Decoder
7th
Morse Encoder
8th
Musical Chords
6th
N Queens
3rd17th
81st6th
Niven Numbers
18th44th15th
65th1st
Niven Numbers (Long)
7th
30th
173rd17th
Number Spiral
8th
72nd12th
Odious Numbers
12th47th36th1st25th132nd18th
Odious Numbers (Long)
7th45th26th1st
96th9th
Ordinal Numbers
72nd10th
PalindromemordnilaP
129th4th
Pangram Grep
41st
1st
Partition Numbers
13th
Pascal’s Triangle
7th72nd
233rd22nd
Pernicious Numbers
9th53rd
38th
26th
Pernicious Numbers (Long)
7th28th
17th
15th
Poker
7th
Polyominoes
8th
Prime Numbers
10th115th29th35th72nd72nd16th
Prime Numbers (Long)
9th73rd18th
50th182nd1st
Proximity Grid
6th
QR Decoder
6th
Quine
30th
28th
741st13th
Recamán
12th
64th17th
Repeating Decimals
35th3rd
Reverse Polish Notation
6th
Reversi
46th4th
Rijndael S-box
5th19th
108th10th
Rock-paper-scissors-Spock-lizard
6th
Roman to Arabic
50th11th
ROT13
7th
Rule 110
17th
8th
Seven Segment
15th
SI Units
4th
Sierpiński Triangle
8th40th
16th
Smith Numbers
4th
36th13th
Spelling Numbers
10th
Star Wars Opening Crawl
102nd5th
Sudoku
5th
Sudoku (Fill-in)
6th
Ten-pin Bowling
31st6th
Time Distance
7th
Tongue-twisters
5th
13th
Transpose Sentence
136th5th
United States
9th
Vampire Numbers
4th
5th
Van Eck Sequence
4th
99th11th
Zeckendorf Representation
79th9th
Zodiac Signs
25th5th
γ
6th
87th3rd
λ
12th
145th7th
π
12th53rd21st
23rd88th11th
τ
11th
19th82nd7th
φ
12th
18th
98th9th
√2
12th
24th
87th9th
𝑒
13th46th
123rd18th