12 Days of Christmas
4th
24 Game
3rd
50th
99 Bottles of Beer
5th
Abundant Numbers
18th
205th
Abundant Numbers (Long)
16th
Arabic to Roman
9th
Arithmetic Numbers
16th
Arrows
11th
Ascending Primes
7th
ASCII Table
6th
Billiards
4th
brainfuck
7th
Card Number Validation
7th
Catalan Numbers
16th
Catalan’s Constant
1st
Christmas Trees
9th
Collatz
25th
CSS Colors
7th
Cubes
7th
Day of Week
11th
DFA Simulator
4th
Diamonds
9th
Divisors
4th
485th
Emirp Numbers
12th
Emirp Numbers (Long)
6th
Emojify
9th
Evil Numbers
15th
Evil Numbers (Long)
4th
Factorial Factorisation
12th
Farey Sequence
3rd
Fibonacci
23rd
Fizz Buzz
25th
Foo Fizz Buzz Bar
11th
Forsyth–Edwards Notation
2nd
Fractions
5th
Game of Life
6th
Gijswijt’s Sequence
4th
89th
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
3rd
Hilbert Curve
5th
Intersection
10th
202nd
Inventory Sequence
11th
ISBN
1st
Jacobi Symbol
5th
Kaprekar Numbers
11th
Kolakoski Constant
8th9th17th8th5th
18th23rd18th15th11th7th15th30th22nd12th15th9th6th6th11th💎15th5th17th10th8th14th5th8th8th23rd61st7th6th15th9th12th6th6th4th14th16th14th8th137th12th14th3rd32nd12th7th7th7th7th8th8th8th4th10th5th
Kolakoski Sequence
73rd
11th
100th
Leap Years
14th
Levenshtein Distance
8th
Leyland Numbers
7th
ln 2
1st
Look and Say
9th
Lucky Numbers
5th
Lucky Tickets
10th
Mahjong
4th
Mandelbrot
5th
Maze
7th
Medal Tally
6th
Morse Decoder
9th
Morse Encoder
10th
Musical Chords
5th
96th
N Queens
4th
80th
Niven Numbers
112th
18th
72nd
Niven Numbers (Long)
1st
Number Spiral
3rd
Odious Numbers
15th
Odious Numbers (Long)
4th
Ordinal Numbers
11th
PalindromemordnilaP
7th
Pangram Grep
8th
Partition Numbers
8th
Pascal’s Triangle
20th
Pernicious Numbers
23rd
Pernicious Numbers (Long)
11th
Poker
5th
Polyominoes
5th
Prime Numbers
15th
Prime Numbers (Long)
11th
Proximity Grid
5th
QR Decoder
4th
65th
Quine
1st
72nd
Recamán
9th
Repeating Decimals
2nd
Reverse Polish Notation
3rd
Reversi
5th
Rijndael S-box
51st
4th
110th
Rock-paper-scissors-Spock-lizard
3rd
Roman to Arabic
12th
ROT13
6th
Rule 110
6th
Scrambled Sort
5th
Seven Segment
8th
SI Units
4th
Sierpiński Triangle
5th
128th
Smith Numbers
5th
Spelling Numbers
7th
Star Wars Opening Crawl
5th
127th
Sudoku
4th
Sudoku (Fill-in)
5th
Ten-pin Bowling
9th
93rd
Time Distance
4th
Tongue-twisters
15th
Transpose Sentence
6th
Trinomial Triangle
5th
United States
12th
Vampire Numbers
7th
Van Eck Sequence
9th
Zeckendorf Representation
7th
Zodiac Signs
6th
γ
💎
1st
λ
2nd
6th
π
1st
τ
1st
φ
1st
√2
1st
𝑒
1st
34th