12 Days of Christmas
50th
24 Game
8th
99 Bottles of Beer
71st
19th
Abundant Numbers
26th
Abundant Numbers (Long)
36th
Arabic to Roman
47th
47th
Arithmetic Numbers
23rd
Arrows
18th
32nd
20th
19th
19th
Ascending Primes
25th
ASCII Table
23rd
Billiards
12th
brainfuck
24th
Card Number Validation
15th
Catalan Numbers
32nd
Catalan’s Constant
20th
Christmas Trees
37th
Collatz
30th
CSS Colors
5th
18th
Cubes
26th
Day of Week
42nd
DFA Simulator
10th
Diamonds
47th
40th
111th
Divisors
29th
Emirp Numbers
40th
Emirp Numbers (Long)
23rd
Emojify
35th
Evil Numbers
29th29th54th29th19th46th239th127th112th31st37th54th46th48th34th33rd30th32nd30th19th31st83rd49th96th
68th25th28th435th61st60th54th37th23rd35th69th116th108th30th1,264th26th77th188th112th15th33rd29th
11th
Evil Numbers (Long)
23rd
Factorial Factorisation
18th
31st
Farey Sequence
25th
Fibonacci
65th
Fizz Buzz
30th1,365th
Foo Fizz Buzz Bar
33rd
Forsyth–Edwards Notation
18th
Fractions
33rd
Game of Life
27th
23rd
Gijswijt’s Sequence
14th
Happy Numbers
80th
31st
625th
Happy Numbers (Long)
23rd
Hexdump
21st
Hilbert Curve
15th
Intersection
21st
Inventory Sequence
23rd
ISBN
73rd
30th
Jacobi Symbol
16th
Kaprekar Numbers
17th
Kolakoski Constant
14th
Kolakoski Sequence
27th
Leap Years
28th
Levenshtein Distance
25th
16th
15th16th
Leyland Numbers
29th
ln 2
14th
Look and Say
24th
17th
Lucky Numbers
73rd
16th
Lucky Tickets
15th
Mandelbrot
14th
Maze
13th
Medal Tally
14th
Minesweeper
11th
Morse Decoder
12th
Morse Encoder
14th
Musical Chords
19th32nd
15th
N Queens
23rd
Niven Numbers
30th
Niven Numbers (Long)
22nd
Number Spiral
19th
Odious Numbers
28th
Odious Numbers (Long)
19th
Ordinal Numbers
14th
Pangram Grep
54th
60th
26th226th
16th
612th
102nd
17th44th40th
19th
Partition Numbers
27th
Pascal’s Triangle
45th
103rd
Pernicious Numbers
58th
Pernicious Numbers (Long)
38th
Poker
12th
Polyominoes
15th
Prime Numbers
30th
Prime Numbers (Long)
27th
Proximity Grid
11th
Quine
64th
1st
664th
Recamán
24th
Repeating Decimals
13th
Reverse Polish Notation
15th
Rijndael S-box
47th
20th
Rock-paper-scissors-Spock-lizard
25th
Roman to Arabic
52nd
26th
29th
7th
ROT13
18th
Rule 110
30th
Scrambled Sort
18th
17th
12th
19th
Seven Segment
62nd
26th
SI Units
9th
9th
Sierpiński Triangle
32nd
Smith Numbers
20th
Spelling Numbers
17th
Ten-pin Bowling
16th
Tic-tac-toe
15th
Time Distance
11th
Tongue-twisters
20th
Tower of Hanoi
18th
20th
10th
13th33rd17th
32nd
18th
18th
114th
Transpose Sentence
14th
Trinomial Triangle
19th
United States
23rd
10th
Vampire Numbers
29th
Van Eck Sequence
28th
Zeckendorf Representation
16th
Zodiac Signs
17th
142nd
10th
γ
13th
λ
44th
34th
63rd
19th
π
37th
τ
29th
φ
17th
√2
22nd
𝑒
23rd
41st