12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
QR Decoder
Quine
1st
21st
1st
9th
10th
24th
89th
61st
45th
9th
16th
23rd
13th
18th
11th
13th
1st
22nd
7th
1st
24th
1st
26th
28th
10th
25th
7th
1st
1st
1st
1st
24th
8th
1st
1st
19th
1st
23rd
1st
32nd
34th
28th
1st
3rd
12th
7th
1st
1st
Recamán
Repeating Decimals
Reverse Polish Notation
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
5th
4th
7th
5th
6th
λ
12th
3rd
11th
6th
6th
32nd
34th
21st
19th
8th
5th
12th
26th
10th
7th
6th
8th
7th
9th
4th
8th
13th
9th
14th
π
14th
7th
11th
8th
6th
33rd
57th
42nd
26th
11th
6th
13th
37th
12th
14th
9th
11th
10th
11th
5th
8th
24th
17th
30th
13th
28th
6th
41st
24th
6th
63rd
12th
9th
17th
16th
11th
6th
6th
45th
23rd
30th
11th
423rd
7th
36th
5th
78th
15th
4th
10th
8th
9th
8th
5th
8th
6th
8th
7th
τ
11th
5th
10th
6th
6th
29th
27th
22nd
19th
11th
5th
12th
34th
11th
11th
9th
11th
8th
11th
5th
8th
20th
15th
19th
φ
13th
7th
9th
5th
7th
29th
26th
23rd
19th
13th
9th
13th
39th
14th
12th
12th
11th
10th
11th
5th
10th
26th
18th
28th
√2
20th
5th
9th
6th
6th
30th
32nd
31st
28th
13th
9th
12th
42nd
14th
15th
11th
11th
12th
12th
5th
7th
34th
14th
28th
11th
26th
6th
47th
80th
6th
55th
12th
14th
14th
13th
8th
6th
6th
33rd
15th
19th
13th
205th
6th
19th
7th
53rd
13th
5th
11th
9th
7th
9th
4th
11th
6th
8th
7th
𝑒
13th
10th
13th
7th
10th
31st
46th
33rd
29th
14th
8th
13th
42nd
13th
14th
10th
13th
9th
13th
5th
10th
22nd
14th
30th
15th
28th
6th
28th
81st
6th
54th
13th
10th
14th
17th
11th
5th
7th
35th
24th
19th
12th
335th
7th
32nd
6th
63rd
17th
4th
9th
7th
8th
9th
5th
9th
6th
11th
11th