12 Days of Christmas
4th
24 Game
4th
99 Bottles of Beer
10th
Abundant Numbers
27th
15th
112th
Abundant Numbers (Long)
14th
171st
Arabic to Roman
6th
Arithmetic Numbers
34th
10th
117th
Arrows
10th
Ascending Primes
6th
64th
ASCII Table
5th
brainfuck
6th
Card Number Validation
8th
Catalan Numbers
11th
231st
Catalan’s Constant
1st
Christmas Trees
7th
Collatz
12th
CSS Colors
9th
Cubes
6th
Day of Week
5th
192nd
DFA Simulator
7th
93rd
Diamonds
9th
Divisors
37th
14th
1st
Emirp Numbers
30th
7th
158th
Emirp Numbers (Long)
24th
6th
102nd
Emojify
6th
Evil Numbers
42nd
13th
257th
Evil Numbers (Long)
39th
5th
169th
Factorial Factorisation
7th
Farey Sequence
6th
Fibonacci
1st1st197th
10th
Fizz Buzz
83rd62nd138th38th47th57th17th1st9th97th66th15th
Foo Fizz Buzz Bar
7th
299th
Forsyth–Edwards Notation
4th
84th
Fractions
25th
7th
1st
Game of Life
174th
Gijswijt’s Sequence
10th
116th
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
116th
Intersection
4th
Inventory Sequence
6th
ISBN
12th
Jacobi Symbol
11th
Kaprekar Numbers
8th
Kolakoski Constant
9th
Kolakoski Sequence
8th
Leap Years
18th
811th
Levenshtein Distance
6th
Leyland Numbers
9th
8th
ln 2
1st
Look and Say
11th
Lucky Numbers
2nd
Lucky Tickets
8th
Mahjong
66th
Mandelbrot
4th
Maze
128th
Medal Tally
118th
Morse Decoder
10th
Morse Encoder
11th
Musical Chords
29th
105th
N Queens
6th
124th
Niven Numbers
1st38th51st
Niven Numbers (Long)
1st
124th
Number Spiral
5th
Odious Numbers
45th
11th
132nd
Odious Numbers (Long)
40th
12th
114th
Ordinal Numbers
8th
167th
PalindromemordnilaP
13th
6th
45th
Pangram Grep
8th
Pascal’s Triangle
9th
343rd
Pernicious Numbers
27th
1st
73rd
Pernicious Numbers (Long)
19th
216th
Poker
26th
117th
Polyominoes
3rd
Prime Numbers
34th
16th
93rd
Prime Numbers (Long)
11th
250th
Proximity Grid
101st
QR Decoder
24th
64th
Quine
185th1st
82nd
Recamán
38th
4th
270th
Repeating Decimals
121st
Reverse Polish Notation
4th
Reversi
72nd
Rijndael S-box
5th
Rock-paper-scissors-Spock-lizard
11th
Roman to Arabic
8th
ROT13
6th
68th
Rule 110
10th
142nd
Scrambled Sort
5th
Seven Segment
10th
SI Units
66th
Sierpiński Triangle
14th
Smith Numbers
4th
Spelling Numbers
4th
Star Wars Opening Crawl
6th
Sudoku
7th
Sudoku (Fill-in)
7th
Ten-pin Bowling
24th
10th
98th
Time Distance
147th
Tongue-twisters
7th
Topological Sort
5th
65th
Transpose Sentence
5th
22nd
United States
4th
40th
Vampire Numbers
1st
Van Eck Sequence
8th
Zeckendorf Representation
8th
Zodiac Signs
124th
γ
1st
λ
7th
π
1st
τ
1st
φ
1st
√2
1st
162nd
𝑒
1st