12 Days of Christmas
49th
24 Game
9th
99 Bottles of Beer
74th
21st
Abundant Numbers
28th
Abundant Numbers (Long)
35th
Arabic to Roman
48th
48th
Arithmetic Numbers
26th
Arrows
20th
34th
23rd
20th
21st
Ascending Primes
25th
ASCII Table
25th
Billiards
13th
brainfuck
26th
Card Number Validation
17th
Catalan Numbers
30th
Catalan’s Constant
22nd
Christmas Trees
39th
Collatz
34th
CSS Colors
6th
18th
Cubes
28th
Day of Week
45th
DFA Simulator
12th
Diamonds
49th
39th
115th
Divisors
32nd
Emirp Numbers
42nd
Emirp Numbers (Long)
24th
Emojify
34th
Evil Numbers
30th10th35th29th55th29th19th47th242nd133rd118th34th40th57th49th50th37th36th29th34th31st20th32nd83rd54th100th
72nd26th30th443rd63rd64th57th39th25th37th71st119th112th33rd1,282nd28th79th190th117th16th35th31st
11th
Evil Numbers (Long)
24th
Factorial Factorisation
19th
30th
Farey Sequence
24th
Fibonacci
75th
Fizz Buzz
33rd1,390th
Foo Fizz Buzz Bar
38th
Forsyth–Edwards Notation
21st
Fractions
36th
Game of Life
27th
23rd
Gijswijt’s Sequence
16th
Happy Numbers
82nd
28th
633rd
Happy Numbers (Long)
23rd
Hexdump
22nd
Hilbert Curve
17th
Intersection
22nd
Inventory Sequence
26th
ISBN
9th
76th
29th
Jacobi Symbol
20th
Kaprekar Numbers
17th
Kolakoski Constant
14th
Kolakoski Sequence
27th
Leap Years
32nd
Levenshtein Distance
26th
16th
15th16th
Leyland Numbers
29th
ln 2
17th
Look and Say
26th
20th
Lucky Numbers
79th
19th
Lucky Tickets
15th
Mandelbrot
14th
Maze
12th
Medal Tally
14th
Minesweeper
11th
Morse Decoder
14th
Morse Encoder
16th
Musical Chords
19th33rd
16th
N Queens
23rd
Niven Numbers
31st
Niven Numbers (Long)
23rd
Number Spiral
19th
Odious Numbers
29th
Odious Numbers (Long)
20th
Ordinal Numbers
18th
Pangram Grep
56th
61st
29th233rd
16th
628th
103rd
17th44th41st
20th
Partition Numbers
26th
Pascal’s Triangle
48th
107th
Pernicious Numbers
61st
Pernicious Numbers (Long)
42nd
Poker
14th
Polyominoes
16th
Prime Numbers
33rd
Prime Numbers (Long)
33rd
Proximity Grid
11th
Quine
65th
1st
687th
Recamán
28th
Repeating Decimals
13th
Reverse Polish Notation
17th
Rijndael S-box
48th
21st
Rock-paper-scissors-Spock-lizard
19th
Roman to Arabic
53rd
27th
33rd
7th
ROT13
23rd
Rule 110
32nd
Scrambled Sort
19th
20th
13th
19th
Seven Segment
24th
64th
28th
SI Units
10th
9th
Sierpiński Triangle
36th
Smith Numbers
24th
Spelling Numbers
19th
Taxicab Numbers
18th
Ten-pin Bowling
16th
Tic-tac-toe
15th
Time Distance
12th
Tongue-twisters
20th
Tower of Hanoi
17th
20th
11th
13th35th22nd
31st
18th
19th
128th
Transpose Sentence
14th
Trinomial Triangle
20th
United States
25th
10th
Vampire Numbers
30th
Van Eck Sequence
28th
Zeckendorf Representation
17th
Zodiac Signs
17th
150th
10th
γ
13th
λ
45th
35th
65th
18th
π
34th
τ
32nd
φ
19th
√2
24th
𝑒
26th
43rd