12 Days of Christmas
49th
24 Game
8th
99 Bottles of Beer
70th
19th
Abundant Numbers
24th
Abundant Numbers (Long)
25th
Arabic to Roman
47th
46th
Arithmetic Numbers
23rd
Arrows
17th
32nd
18th
18th
18th
Ascending Primes
24th
ASCII Table
23rd
Billiards
12th
brainfuck
24th
Card Number Validation
15th
Catalan Numbers
31st
Catalan’s Constant
19th
Christmas Trees
37th
Collatz
30th
CSS Colors
5th
17th
Cubes
25th
Day of Week
42nd
DFA Simulator
10th
Diamonds
46th
39th
108th
Divisors
28th
Emirp Numbers
39th
Emirp Numbers (Long)
22nd
Emojify
34th
Evil Numbers
29th33rd29th53rd29th19th45th238th126th112th31st37th53rd46th48th34th33rd30th32nd30th19th31st82nd49th96th
67th25th27th432nd61st59th54th37th23rd34th68th116th106th30th1,257th26th77th187th109th15th33rd29th
11th
Evil Numbers (Long)
21st
Factorial Factorisation
16th
29th
Farey Sequence
24th
Fibonacci
63rd
Fizz Buzz
30th1,362nd
Foo Fizz Buzz Bar
33rd
Forsyth–Edwards Notation
18th
Fractions
33rd
Game of Life
25th
23rd
Gijswijt’s Sequence
14th
Happy Numbers
78th
26th
618th
Happy Numbers (Long)
22nd
Hexdump
21st
Hilbert Curve
14th
Intersection
21st
Inventory Sequence
24th
ISBN
8th
72nd
30th
Jacobi Symbol
16th
Kaprekar Numbers
17th
Kolakoski Constant
13th
Kolakoski Sequence
27th
Leap Years
29th
Levenshtein Distance
25th
16th
15th16th
Leyland Numbers
29th
ln 2
14th
Look and Say
24th
17th
Lucky Numbers
71st
15th
Lucky Tickets
15th
Mandelbrot
14th
Maze
13th
Medal Tally
14th
Minesweeper
11th
Morse Decoder
12th
Morse Encoder
14th
Musical Chords
19th32nd
15th
N Queens
22nd
Niven Numbers
30th
Niven Numbers (Long)
22nd
Number Spiral
18th
Odious Numbers
27th
Odious Numbers (Long)
18th
Ordinal Numbers
14th
Pangram Grep
54th
60th
26th225th
16th
609th
102nd
17th44th40th
19th
Partition Numbers
26th
Pascal’s Triangle
45th
99th
Pernicious Numbers
56th
Pernicious Numbers (Long)
38th
Poker
14th
Polyominoes
15th
Prime Numbers
29th
Prime Numbers (Long)
27th
Proximity Grid
11th
Quine
64th
1st
661st
Recamán
24th
Repeating Decimals
13th
Reverse Polish Notation
15th
Rijndael S-box
47th
19th
Rock-paper-scissors-Spock-lizard
18th
Roman to Arabic
52nd
26th
29th
7th
ROT13
17th
Rule 110
30th
Scrambled Sort
18th
16th
12th
17th
Seven Segment
23rd
62nd
26th
SI Units
9th
8th
Sierpiński Triangle
35th
Smith Numbers
22nd
Spelling Numbers
17th
Ten-pin Bowling
16th
Tic-tac-toe
15th
Time Distance
11th
Tongue-twisters
19th
Tower of Hanoi
16th
18th
10th
13th30th16th
30th
17th
16th
109th
Transpose Sentence
14th
Trinomial Triangle
19th
United States
22nd
10th
Vampire Numbers
29th
Van Eck Sequence
27th
Zeckendorf Representation
16th
Zodiac Signs
17th
139th
9th
γ
12th
λ
43rd
34th
62nd
18th
π
33rd
τ
28th
φ
17th
√2
22nd
𝑒
22nd
40th