12 Days of Christmas
12th
82nd7th
24 Game
5th
42nd2nd
99 Bottles of Beer
21st34th
75th7th
Abundant Numbers
13th61st33rd
51st96th32nd
Abundant Numbers (Long)
7th
22nd
35th56th26th
Arabic to Roman
38th7th
Arithmetic Numbers
6th
42nd5th
Arrows
7th
Ascending Primes
5th
26th7th
ASCII Table
14th44th
113th6th
Billiards
4th
brainfuck
10th
Card Number Validation
77th9th
Catalan Numbers
6th
141st8th
Catalan’s Constant
6th
125th5th
Christmas Trees
24th
52nd12th
Collatz
9th51st
39th12th
CSS Colors
46th3rd
Cubes
20th
43rd5th
Day of Week
218th6th
DFA Simulator
23rd6th
Diamonds
18th
11th
Divisors
18th44th18th20th59th100th1st
Emirp Numbers
12th
134th16th
Emirp Numbers (Long)
8th
34th6th
Emojify
11th
Evil Numbers
11th49th39th1st22nd224th15th
Evil Numbers (Long)
8th53rd27th1st
139th3rd
Factorial Factorisation
3rd16th6th
7th14th5th
Farey Sequence
3rd27th
30th8th
Fibonacci
17th172nd18th35th147th156th10th
Fizz Buzz
88th252nd27th62nd354th35th82nd
Foo Fizz Buzz Bar
12th
24th
14th11th
Forsyth–Edwards Notation
129th5th
Fractions
86th15th
Game of Life
19th
4th
Gijswijt’s Sequence
6th
53rd9th
Happy Numbers
8th43rd
85th7th
Happy Numbers (Long)
8th45th
40th15th
Hexdump
10th
Intersection
67th2nd
Inventory Sequence
6th26th
19th4th
ISBN
55th10th
Jacobi Symbol
36th6th
Kaprekar Numbers
4th20th10th
8th26th5th
Kolakoski Constant
6th
28th4th
Kolakoski Sequence
14th
45th14th
Leap Years
16th49th22nd
25th194th30th
Levenshtein Distance
65th10th
Leyland Numbers
6th
70th5th
ln 2
7th
62nd4th
Look and Say
10th
53rd9th
Lucky Numbers
4th
69th9th
Lucky Tickets
30th2nd
Maze
18th6th
Medal Tally
6th
Morse Decoder
7th
Morse Encoder
8th
Musical Chords
6th
N Queens
3rd16th
72nd4th
Niven Numbers
17th40th14th
58th1st
Niven Numbers (Long)
7th
27th
160th16th
Number Spiral
7th
68th12th
Odious Numbers
12th47th34th1st21st127th14th
Odious Numbers (Long)
7th44th23rd1st
90th4th
Ordinal Numbers
66th10th
PalindromemordnilaP
119th4th
Pangram Grep
42nd
1st
Partition Numbers
13th
Pascal’s Triangle
7th66th
219th18th
Pernicious Numbers
9th47th
34th
24th
Pernicious Numbers (Long)
7th27th
16th
14th
Poker
7th
Polyominoes
7th
Prime Numbers
10th110th28th33rd72nd66th15th
Prime Numbers (Long)
8th71st17th
49th174th1st
Proximity Grid
4th
QR Decoder
5th
Quine
29th
28th
712th12th
Recamán
12th
58th16th
Repeating Decimals
34th3rd
Reverse Polish Notation
5th
Reversi
43rd4th
Rijndael S-box
5th20th
101st10th
Rock-paper-scissors-Spock-lizard
6th
Roman to Arabic
47th11th
ROT13
6th
Rule 110
17th
8th
Seven Segment
15th
SI Units
3rd
Sierpiński Triangle
8th39th
16th
Smith Numbers
4th
36th13th
Spelling Numbers
10th
Star Wars Opening Crawl
98th5th
Sudoku
5th
Sudoku (Fill-in)
6th
Ten-pin Bowling
29th4th
Time Distance
7th
Tongue-twisters
5th
12th
Transpose Sentence
123rd5th
United States
9th
Vampire Numbers
4th
5th
Van Eck Sequence
4th
90th9th
Zeckendorf Representation
72nd9th
Zodiac Signs
24th5th
γ
6th
77th3rd
λ
12th
135th7th
π
12th52nd20th
23rd81st9th
τ
11th
18th75th5th
φ
12th
17th
88th6th
√2
12th
22nd
80th7th
𝑒
13th43rd
112th16th