12 Days of Christmas
43rd
24 Game
17th
99 Bottles of Beer
67th
23rd
Abundant Numbers
10th
Abundant Numbers (Long)
11th
Arabic to Roman
45th
41st
Arithmetic Numbers
10th
Arrows
28th
Ascending Primes
18th
ASCII Table
18th
Billiards
6th
brainfuck
24th
Card Number Validation
11th
Catalan Numbers
29th
Catalan’s Constant
17th
Christmas Trees
32nd
Collatz
13th
CSS Colors
20th
Cubes
23rd
Day of Week
36th
DFA Simulator
9th
Diamonds
42nd
33rd
97th
Divisors
14th
Emirp Numbers
34th
Emirp Numbers (Long)
16th
Emojify
32nd
Evil Numbers
28th29th28th53rd26th22nd43rd219th119th101st28th35th50th44th48th34th33rd28th32nd29th17th31st81st46th93rd
67th25th32nd422nd60th56th54th35th22nd32nd65th115th104th30th1,214th24th76th179th106th13th32nd27th
11th
Evil Numbers (Long)
27th
Factorial Factorisation
14th
21st
Farey Sequence
19th
Fibonacci
28th
Fizz Buzz
9th1,339th
Foo Fizz Buzz Bar
14th
Forsyth–Edwards Notation
14th
Fractions
26th
Game of Life
20th
Gijswijt’s Sequence
12th
Happy Numbers
72nd
18th
598th
Happy Numbers (Long)
10th
Hexdump
18th
Hilbert Curve
8th
Intersection
16th
Inventory Sequence
19th
ISBN
9th
68th
21st
Jacobi Symbol
15th
Kaprekar Numbers
11th
Kolakoski Constant
10th
Kolakoski Sequence
24th
Leap Years
12th
Levenshtein Distance
21st
Leyland Numbers
23rd
ln 2
12th
Look and Say
18th
Lucky Numbers
62nd
15th
Lucky Tickets
14th
Mandelbrot
10th
Maze
11th
Medal Tally
12th
Morse Decoder
13th
Morse Encoder
13th
Musical Chords
20th26th
12th
N Queens
19th
Niven Numbers
35th
Niven Numbers (Long)
25th
Number Spiral
29th
Odious Numbers
84th
Odious Numbers (Long)
44th
Ordinal Numbers
33rd
Pangram Grep
44th
56th
32nd210th
14th
576th
92nd
17th40th38th
16th
Partition Numbers
21st
Pascal’s Triangle
45th
92nd
Pernicious Numbers
58th
Pernicious Numbers (Long)
37th
Poker
12th
Prime Numbers
96th
Prime Numbers (Long)
59th
Proximity Grid
10th
Quine
57th
22nd
635th
Recamán
30th
Repeating Decimals
11th
Rijndael S-box
38th
23rd
Rock-paper-scissors-Spock-lizard
14th
Roman to Arabic
28th
ROT13
15th
Rule 110
29th
Scrambled Sort
15th
13th
8th
14th
Seven Segment
18th
60th
27th
SI Units
7th
Sierpiński Triangle
35th
Smith Numbers
19th
Spelling Numbers
19th
Ten-pin Bowling
14th
Tic-tac-toe
12th
Time Distance
14th
Tongue-twisters
38th
Transpose Sentence
11th
Trinomial Triangle
6th
United States
21st
Vampire Numbers
31st
Van Eck Sequence
23rd
Zeckendorf Representation
12th
γ
16th
λ
40th
32nd
60th
32nd
π
34th
τ
27th
φ
25th
√2
17th
𝑒
25th
33rd