12 Days of Christmas
101st
24 Game
9th
99 Bottles of Beer
76th
Abundant Numbers
57th
Abundant Numbers (Long)
28th
Arabic to Roman
27th
Arithmetic Numbers
19th
Arrows
25th
Ascending Primes
15th
ASCII Table
29th
brainfuck
25th
Calendar
8th
Card Number Validation
12th
Catalan Numbers
34th
Catalan’s Constant
13th
Christmas Trees
18th
Collatz
51st
CSS Colors
57th
Cubes
14th
Day of Week
90th
Diamonds
84th
26th
127th
Divisors
93rd
1,443rd
Emirp Numbers
52nd
Emirp Numbers (Long)
15th
Emojify
26th
Evil Numbers
107th
Evil Numbers (Long)
42nd
39th
Factorial Factorisation
19th
12th
Farey Sequence
17th
Fibonacci
59th
95th
Fizz Buzz
89th
115th761st559th
78th
72nd59th
48th
58th
242nd
Foo Fizz Buzz Bar
68th
Forsyth–Edwards Notation
14th
Fractions
23rd
Gijswijt’s Sequence
11th
Gray Code Decoder
11th
Gray Code Encoder
16th
Happy Numbers
111th
61st
Happy Numbers (Long)
25th
Hilbert Curve
7th
Intersection
19th
Inventory Sequence
19th
ISBN
40th
83rd
31st
40th
29th8th
Jacobi Symbol
7th
Kaprekar Numbers
8th
Kolakoski Constant
15th
Kolakoski Sequence
17th
Leap Years
54th
Levenshtein Distance
8th
27th18th
27th
Leyland Numbers
21st
ln 2
18th
Look and Say
25th
Lucky Numbers
58th
14th
Lucky Tickets
12th
Mandelbrot
9th
Medal Tally
13th
Minesweeper
5th
Morse Decoder
26th
Morse Encoder
25th
N Queens
12th
Niven Numbers
75th
Niven Numbers (Long)
40th
Number Spiral
10th13th18th18th19th18th18th23rd66th43rd38th14th19th17th41st24th21st24th19th38th12th13th16th9th15th11th29th27th14th23rd
37th17th39th96th26th20th49th13th22nd18th18th15th23rd31st10th17th300th18th20th13th49th31st18th23rd18th17th16th17th15th18th18th
Odious Numbers
93rd
Odious Numbers (Long)
41st
Ordinal Numbers
45th
PalindromemordnilaP
9th
Pangram Grep
26th
44th
34th72nd
46th
63rd
247th
45th
63rd
641st
109th
46th40th
Partition Numbers
12th
Pascal’s Triangle
101st
40th
Pernicious Numbers
77th
Pernicious Numbers (Long)
20th
Polyominoes
7th
Prime Numbers
106th
Prime Numbers (Long)
31st
QR Decoder
11th
Quine
51st
844th
Recamán
27th
Repeating Decimals
9th
Reverse Polish Notation
17th
Reversi
8th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
27th
23rd
Roman to Arabic
29th
ROT13
15th
Rule 110
21st
Scrambled Sort
27th
28th
9th
18th
Set
5th
Seven Segment
28th
Sierpiński Triangle
26th
Smith Numbers
13th
Spelling Numbers
19th
Star Wars GPT
6th
Star Wars Opening Crawl
8th
Sudoku
7th
Ten-pin Bowling
13th
Tic-tac-toe
11th
Time Distance
8th
Tongue-twisters
39th
Tower of Hanoi
21st
Transpose Sentence
15th
Trinomial Triangle
9th
United States
34th
Vampire Numbers
16th
Van Eck Sequence
19th
Zeckendorf Representation
13th
Zodiac Signs
13th
γ
10th
λ
61st
58th
70th
16th
π
30th
τ
20th
φ
23rd
√2
25th
𝑒
25th
117th