12 Days of Christmas
4th
24 Game
4th
99 Bottles of Beer
10th
Abundant Numbers
23rd
12th
86th
Abundant Numbers (Long)
11th
136th
Arabic to Roman
6th
Arithmetic Numbers
27th
7th
94th
Arrows
8th
Ascending Primes
5th
34th
ASCII Table
5th
brainfuck
6th
Card Number Validation
8th
Catalan Numbers
11th
183rd
Catalan’s Constant
1st
Christmas Trees
7th
Collatz
12th
CSS Colors
9th
Cubes
6th
Day of Week
5th
141st
DFA Simulator
6th
69th
Diamonds
8th
Divisors
30th
13th
1st
Emirp Numbers
26th
7th
129th
Emirp Numbers (Long)
22nd
6th
77th
Emojify
6th
Evil Numbers
38th
13th
221st
Evil Numbers (Long)
36th
4th
137th
Factorial Factorisation
6th
Farey Sequence
6th
Fibonacci
1st1st155th
Fizz Buzz
79th54th124th35th41st53rd13th1st9th93rd52nd15th
Foo Fizz Buzz Bar
7th
253rd
Forsyth–Edwards Notation
4th
65th
Fractions
19th
7th
1st
Game of Life
139th
Gijswijt’s Sequence
10th
84th
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
93rd
Intersection
4th
Inventory Sequence
6th
ISBN
9th
Jacobi Symbol
10th
Kaprekar Numbers
6th
Kolakoski Constant
9th
Kolakoski Sequence
7th
Leap Years
18th
726th
Levenshtein Distance
6th
Leyland Numbers
9th
6th
ln 2
1st
Look and Say
11th
Lucky Numbers
4th
Lucky Tickets
8th
Mahjong
39th
Maze
94th
Medal Tally
96th
Morse Decoder
9th
Morse Encoder
10th
Musical Chords
24th
77th
N Queens
6th
91st
Niven Numbers
1st31st31st
Niven Numbers (Long)
1st
92nd
Number Spiral
5th
Odious Numbers
40th
11th
109th
Odious Numbers (Long)
36th
12th
88th
Ordinal Numbers
8th
140th
PalindromemordnilaP
8th
4th
29th
Pangram Grep
7th
Pascal’s Triangle
9th
292nd
Pernicious Numbers
23rd
1st
55th
Pernicious Numbers (Long)
17th
179th
Poker
23rd
98th
Polyominoes
3rd
Prime Numbers
26th
15th
65th
Prime Numbers (Long)
11th
203rd
Proximity Grid
75th
QR Decoder
22nd
47th
Quine
179th1st
56th
Recamán
31st
4th
231st
Repeating Decimals
91st
Reverse Polish Notation
4th
Reversi
47th
Rijndael S-box
5th
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
8th
Rule 110
10th
118th
Seven Segment
10th
SI Units
47th
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
77th
Time Distance
116th
Tongue-twisters
6th
Transpose Sentence
5th
16th
United States
4th
31st
Vampire Numbers
1st
Van Eck Sequence
7th
Zeckendorf Representation
8th
Zodiac Signs
95th
γ
1st
λ
7th
π
1st
τ
1st
φ
1st
√2
1st
123rd
𝑒
1st