12 Days of Christmas
4th
24 Game
4th
99 Bottles of Beer
10th
Abundant Numbers
25th
13th
91st
Abundant Numbers (Long)
12th
150th
Arabic to Roman
6th
Arithmetic Numbers
29th
9th
106th
Arrows
8th
Ascending Primes
6th
39th
ASCII Table
5th
brainfuck
6th
Card Number Validation
8th
Catalan Numbers
11th
200th
Catalan’s Constant
1st
Christmas Trees
7th
Collatz
12th
CSS Colors
9th
Cubes
6th
Day of Week
5th
161st
DFA Simulator
6th
78th
Diamonds
9th
Divisors
33rd
14th
1st
Emirp Numbers
27th
7th
138th
Emirp Numbers (Long)
22nd
6th
85th
Emojify
6th
Evil Numbers
40th
13th
236th
Evil Numbers (Long)
37th
4th
152nd
Factorial Factorisation
6th
Farey Sequence
6th
Fibonacci
1st1st174th
9th
Fizz Buzz
79th58th131st36th43rd55th16th1st9th95th54th15th
Foo Fizz Buzz Bar
7th
272nd
Forsyth–Edwards Notation
4th
73rd
Fractions
21st
7th
1st
Game of Life
156th
Gijswijt’s Sequence
10th
97th
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
102nd
Intersection
4th
Inventory Sequence
6th
ISBN
10th
Jacobi Symbol
10th
Kaprekar Numbers
6th
Kolakoski Constant
9th
Kolakoski Sequence
8th
Leap Years
18th
769th
Levenshtein Distance
6th
Leyland Numbers
9th
7th
ln 2
1st
Look and Say
11th
Lucky Numbers
2nd
Lucky Tickets
8th
Mahjong
47th
Mandelbrot
4th
Maze
108th
Medal Tally
107th
Morse Decoder
9th
Morse Encoder
10th
Musical Chords
26th
86th
N Queens
6th
107th
Niven Numbers
1st36th36th
Niven Numbers (Long)
1st
107th
Number Spiral
5th
Odious Numbers
42nd
11th
116th
Odious Numbers (Long)
38th
12th
97th
Ordinal Numbers
8th
150th
PalindromemordnilaP
8th
4th
32nd
Pangram Grep
7th
Pascal’s Triangle
9th
314th
Pernicious Numbers
25th
1st
61st
Pernicious Numbers (Long)
17th
197th
Poker
24th
102nd
Polyominoes
3rd
Prime Numbers
30th
15th
73rd
Prime Numbers (Long)
11th
225th
Proximity Grid
86th
QR Decoder
22nd
54th
Quine
184th1st
67th
Recamán
34th
4th
249th
Repeating Decimals
103rd
Reverse Polish Notation
4th
Reversi
55th
Rijndael S-box
5th
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
8th
ROT13
5th
47th
Rule 110
10th
128th
Scrambled Sort
5th
Seven Segment
10th
SI Units
53rd
Sierpiński Triangle
14th
Smith Numbers
4th
Spelling Numbers
4th
Star Wars Opening Crawl
6th
Sudoku
7th
Sudoku (Fill-in)
7th
Ten-pin Bowling
25th
10th
84th
Time Distance
128th
Tongue-twisters
7th
Topological Sort
4th
43rd
Transpose Sentence
5th
18th
United States
4th
37th
Vampire Numbers
1st
Van Eck Sequence
7th
Zeckendorf Representation
8th
Zodiac Signs
101st
γ
1st
λ
7th
π
1st
τ
1st
φ
1st
√2
1st
138th
𝑒
1st