12 Days of Christmas
65th
18th
24 Game
14th
8th
99 Bottles of Beer
39th
Abundant Numbers
26th
784th
Abundant Numbers (Long)
27th
425th
Alphabetic Numbers
6th
Arabic to Roman
21st
Arithmetic Numbers
28th
Arrows
19th
21st
22nd
17th
22nd
Ascending Primes
19th
ASCII Table
27th
Billiards
11th
Calendar
12th
Card Number Validation
38th
23rd
Catalan Numbers
15th
Catalan’s Constant
14th
Chess Move Validation
11th
Christmas Trees
42nd
20th
Collatz
9th13th
22nd22nd22nd25th205th61st105th14th14th10th56th10th22nd23rd26th15th
11th15th14th16th13th43rd40th17th
20th22nd19th6th254th
38th43rd20th35th18th
13th35th45th33rd20th617th20th18th
73rd75th17th
22nd
9th13th11th24th
Connect Four
7th
12th
19th
6th
Continued Fractions
8th
CSS Colors
18th
23rd115th
24th
6th
Cubes
10th
Day of Week
22nd
DFA Simulator
13th65th
Diamonds
34th
16th
25th
80th
Divisors
16th
Emirp Numbers
31st33rd
18th
Emirp Numbers (Long)
16th
7th
Emojify
21st
Evil Numbers
112th107th
32nd
69th
Evil Numbers (Long)
27th
Factorial Factorisation
8th
11th
Farey Sequence
15th
Fibonacci
174th
56th
1,449th
77th
Fizz Buzz
1st
2,237th
Foo Fizz Buzz Bar
9th
Forsyth–Edwards Notation
22nd
Fractions
21st
Game of Life
26th
16th
Gijswijt’s Sequence
23rd
Gray Code Decoder
20th
Gray Code Encoder
21st
Happy Numbers
34th33rd
42nd
25th
Happy Numbers (Long)
15th
Hexdump
16th
Hilbert Curve
10th
Intersection
14th
Inventory Sequence
20th
ISBN
33rd
27th
25th
26th
28th
Jacobi Symbol
18th
Kaprekar Numbers
18th
Kolakoski Constant
12th
Kolakoski Sequence
21st
Leap Years
36th
Levenshtein Distance
16th
18th11th
10th
Leyland Numbers
13th
ln 2
19th
Look and Say
16th
19th
Lucky Numbers
40th
19th
Lucky Tickets
13th
Mahjong
26th
6th
Mandelbrot
14th
Medal Tally
15th
Minesweeper
14th3rd
20th
13th
Morse Decoder
13th
Morse Encoder
14th
Multitap Input
7th
Musical Chords
32nd
17th
10th
10th
N Queens
15th
Nim
17th
Niven Numbers
27th
275th
Niven Numbers (Long)
75th
26th
483rd
Number Spiral
18th
12th
Odious Numbers
33rd
Odious Numbers (Long)
25th
Ordinal Numbers
20th
PalindromemordnilaP
14th
Pangram Grep
21st
18th50th
26th
69th
30th
27th
99th
17th23rd
Partition Numbers
16th
Pascal’s Triangle
20th
46th
Pernicious Numbers
64th77th
36th
Pernicious Numbers (Long)
20th
Poker
13th
12th
Polyominoes
6th
Prime Numbers
21st
1,027th
Prime Numbers (Long)
22nd
12th
526th
Quine
1st
95th
Recamán
22nd
Repeating Decimals
11th
Reverse Polish Notation
14th
Reversi
19th
Rijndael S-box
50th25th
21st
Rock-paper-scissors-Spock-lizard
14th17th
Roman to Arabic
50th
24th
30th
19th
ROT13
17th
41st
Rule 110
21st
Scrambled Sort
23rd
20th
11th
9th
Semiprime Numbers
10th
Set
13th
13th
Seven Segment
18th
SI Units
11th
Sierpiński Triangle
16th
Smith Numbers
15th
Snake
7th
Spelling Numbers
12th
Sphenic Numbers
6th
Star Wars GPT
10th
7th
Sudoku
16th
Sudoku (Fill-in)
14th
Taxicab Numbers
16th
Ten-pin Bowling
16th
19th
Tic-tac-toe
13th
Time Distance
12th
Tongue-twisters
17th
Topological Sort
12th
Tower of Hanoi
40th17th
15th
36th26th25th
31st
32nd40th
137th
10th
Transpose Sentence
18th
19th
Trinomial Triangle
13th
Ulam Sequence
11th
United States
13th
10th
Vampire Numbers
17th
13th
Van Eck Sequence
19th
Zeckendorf Representation
20th
Zodiac Signs
7th
13th
131st
7th
γ
15th
λ
8th
13th
12th
4th
π
20th
8th
τ
20th
φ
6th
√2
1st
𝑒
18th
47th