12 Days of Christmas
13th
234th6th
24 Game
5th
44th3rd
99 Bottles of Beer
22nd33rd
280th8th
Abundant Numbers
13th58th35th
50th400th33rd
Abundant Numbers (Long)
7th
25th
36th234th26th
Arabic to Roman
138th8th
Arithmetic Numbers
6th
201st6th
Arrows
9th
Ascending Primes
5th
46th9th
ASCII Table
15th44th
106th6th
Billiards
6th
brainfuck
11th
Card Number Validation
75th11th
Catalan Numbers
6th
148th9th
Catalan’s Constant
6th
140th7th
Christmas Trees
24th
108th12th
Collatz
9th56th
30th13th
CSS Colors
42nd2nd
Cubes
20th
86th8th
Day of Week
271st7th
DFA Simulator
59th6th
Diamonds
18th
11th
Divisors
19th46th19th21st62nd374th1st
Emirp Numbers
12th
224th19th
Emirp Numbers (Long)
8th
100th7th
Emojify
11th
Evil Numbers
11th49th41st1st23rd235th17th
Evil Numbers (Long)
8th52nd28th1st
148th3rd
Factorial Factorisation
3rd16th6th
7th45th5th
Farey Sequence
3rd27th
76th8th
Fibonacci
17th175th1st36th151st161st17th
Fizz Buzz
89th261st28th65th362nd54th85th
Foo Fizz Buzz Bar
12th
26th
1st11th
Forsyth–Edwards Notation
137th7th
Fractions
168th16th
Game of Life
19th
4th
Gijswijt’s Sequence
6th
33rd10th
Happy Numbers
8th43rd
96th15th
Happy Numbers (Long)
8th45th
100th15th
Hexdump
10th
Intersection
206th2nd
Inventory Sequence
6th27th
57th4th
ISBN
156th10th
Jacobi Symbol
45th7th
Kaprekar Numbers
4th20th10th
8th26th6th
Kolakoski Constant
6th
55th6th
Kolakoski Sequence
14th
19th15th
Leap Years
17th49th20th
24th202nd30th
Levenshtein Distance
169th12th
Leyland Numbers
6th
229th5th
ln 2
7th
87th6th
Look and Say
10th
157th9th
Lucky Numbers
4th
94th11th
Lucky Tickets
63rd2nd
Mandelbrot
9th
Maze
53rd8th
Medal Tally
6th
Morse Decoder
7th
Morse Encoder
8th
Musical Chords
6th
N Queens
3rd17th
76th6th
Niven Numbers
18th41st15th
62nd1st
Niven Numbers (Long)
7th
29th
283rd17th
Number Spiral
8th
101st12th
Odious Numbers
12th45th36th1st24th129th17th
Odious Numbers (Long)
7th43rd25th1st
94th9th
Ordinal Numbers
249th10th
PalindromemordnilaP
121st4th
Pangram Grep
41st
1st
Partition Numbers
12th
Pascal’s Triangle
7th72nd
332nd22nd
Pernicious Numbers
9th52nd
36th
25th
Pernicious Numbers (Long)
7th28th
17th
15th
Poker
7th
Polyominoes
8th
Prime Numbers
10th113th28th34th72nd70th16th
Prime Numbers (Long)
9th73rd17th
49th216th1st
Proximity Grid
6th
QR Decoder
6th
Quine
30th
28th
734th13th
Recamán
12th
195th17th
Repeating Decimals
67th3rd
Reverse Polish Notation
6th
Reversi
40th4th
Rijndael S-box
5th19th
100th10th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
122nd11th
ROT13
7th
Rule 110
17th
8th
Seven Segment
15th
SI Units
4th
Sierpiński Triangle
8th39th
16th
Smith Numbers
4th
94th13th
Spelling Numbers
10th
Star Wars Opening Crawl
99th5th
Sudoku
6th
Sudoku (Fill-in)
6th
Ten-pin Bowling
54th6th
Time Distance
7th
Tongue-twisters
5th
13th
Transpose Sentence
127th5th
United States
9th
Vampire Numbers
4th
5th
Van Eck Sequence
4th
133rd11th
Zeckendorf Representation
66th9th
Zodiac Signs
54th5th
γ
6th
78th4th
λ
12th
133rd8th
π
12th49th18th
22nd116th14th
τ
11th
18th99th8th
φ
12th
17th
120th10th
√2
12th
24th
109th11th
𝑒
13th43rd
126th18th