12 Days of Christmas
4th
24 Game
4th
99 Bottles of Beer
10th
Abundant Numbers
23rd
12th
84th
Abundant Numbers (Long)
11th
134th
Arabic to Roman
6th
Arithmetic Numbers
27th
7th
91st
Arrows
8th
Ascending Primes
5th
34th
ASCII Table
5th
brainfuck
6th
Card Number Validation
8th
Catalan Numbers
10th
178th
Catalan’s Constant
1st
Christmas Trees
7th
Collatz
12th
CSS Colors
9th
Cubes
6th
Day of Week
5th
139th
DFA Simulator
6th
68th
Diamonds
8th
Divisors
30th
13th
1st
Emirp Numbers
26th
7th
129th
Emirp Numbers (Long)
22nd
6th
77th
Emojify
6th
Evil Numbers
38th
13th
220th
Evil Numbers (Long)
36th
4th
136th
Factorial Factorisation
6th
Farey Sequence
6th
Fibonacci
1st1st154th
Fizz Buzz
79th53rd123rd35th41st53rd13th1st8th93rd52nd14th
Foo Fizz Buzz Bar
7th
251st
Forsyth–Edwards Notation
4th
65th
Fractions
19th
6th
1st
Game of Life
134th
Gijswijt’s Sequence
10th
82nd
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
92nd
Intersection
4th
Inventory Sequence
6th
ISBN
9th
Jacobi Symbol
10th
Kaprekar Numbers
6th
Kolakoski Constant
9th
Kolakoski Sequence
7th
Leap Years
18th
720th
Levenshtein Distance
6th
Leyland Numbers
9th
6th
ln 2
1st
Look and Say
11th
Lucky Numbers
4th
Lucky Tickets
8th
Mahjong
39th
Maze
93rd
Medal Tally
93rd
Morse Decoder
9th
Morse Encoder
10th
Musical Chords
24th
75th
N Queens
6th
90th
Niven Numbers
1st31st31st
Niven Numbers (Long)
1st
90th
Number Spiral
5th
Odious Numbers
39th
11th
107th
Odious Numbers (Long)
36th
12th
87th
Ordinal Numbers
8th
135th
PalindromemordnilaP
8th
4th
28th
Pangram Grep
6th
Pascal’s Triangle
8th
289th
Pernicious Numbers
22nd
1st
54th
Pernicious Numbers (Long)
17th
175th
Poker
23rd
97th
Polyominoes
3rd
Prime Numbers
26th
14th
64th
Prime Numbers (Long)
10th
199th
Proximity Grid
72nd
QR Decoder
21st
46th
Quine
179th1st
56th
Recamán
31st
4th
228th
Repeating Decimals
90th
Reverse Polish Notation
4th
Reversi
47th
Rijndael S-box
5th
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
8th
Rule 110
10th
114th
Seven Segment
10th
SI Units
45th
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
76th
Time Distance
114th
Tongue-twisters
6th
Transpose Sentence
5th
16th
United States
4th
31st
Vampire Numbers
1st
Van Eck Sequence
7th
Zeckendorf Representation
8th
Zodiac Signs
93rd
γ
1st
λ
7th
π
1st
τ
1st
φ
1st
√2
1st
122nd
𝑒
1st