12 Days of Christmas
90th
24 Game
7th
99 Bottles of Beer
67th
Abundant Numbers
49th
Abundant Numbers (Long)
21st
Arabic to Roman
20th
Arithmetic Numbers
13th
Arrows
23rd
Ascending Primes
9th
ASCII Table
23rd
brainfuck
21st
Catalan Numbers
26th
Catalan’s Constant
10th
Christmas Trees
14th
Collatz
32nd
CSS Colors
51st
Cubes
14th
Day of Week
57th
Diamonds
52nd
20th
81st
Divisors
83rd
1,215th
Emirp Numbers
42nd
Emirp Numbers (Long)
12th
Emojify
23rd
Evil Numbers
93rd
Evil Numbers (Long)
33rd
Factorial Factorisation
10th
Farey Sequence
13th
Fibonacci
44th
Fizz Buzz
74th
49th
222nd
Foo Fizz Buzz Bar
58th
Fractions
20th
Gijswijt’s Sequence
7th
Happy Numbers
71st
51st
Happy Numbers (Long)
19th
Intersection
16th
Inventory Sequence
13th
ISBN
20th
62nd
18th
16th
26th
6th
Jacobi Symbol
6th
Kolakoski Constant
11th
Kolakoski Sequence
15th
Leap Years
37th
Levenshtein Distance
6th
12th
11th
15th
Leyland Numbers
17th
ln 2
11th
Look and Say
22nd
Lucky Numbers
29th
10th
Lucky Tickets
9th
Medal Tally
10th
Morse Decoder
21st
Morse Encoder
20th
N Queens
9th
Niven Numbers
62nd
Niven Numbers (Long)
31st
Number Spiral
13th
12th
15th
12th
16th
20th
51st
30th
25th
11th
12th
26th
14th
19th
15th
14th
11th
13th
4th
11th
22nd
15th
20th
30th
11th
28th
65th
15th
30th
14th
17th
12th
13th
9th
16th
23rd
21st
12th
200th
13th
17th
9th
32nd
20th
17th
14th
12th
11th
13th
13th
14th
13th
11th
Odious Numbers
78th
Odious Numbers (Long)
31st
Ordinal Numbers
39th
Pangram Grep
18th
31st
18th
43rd
33rd
53rd
189th
31st
49th
491st
89th
34th
26th
22nd
Pascal’s Triangle
66th
34th
Pernicious Numbers
61st
Pernicious Numbers (Long)
14th
Prime Numbers
84th
Prime Numbers (Long)
22nd
Quine
44th
657th
Recamán
23rd
Reverse Polish Notation
14th
Rijndael S-box
15th
Rock-paper-scissors-Spock-lizard
15th
21st
Roman to Arabic
22nd
Rule 110
17th
Seven Segment
25th
Sierpiński Triangle
29th
Smith Numbers
9th
Spelling Numbers
16th
Star Wars Opening Crawl
8th
Ten-pin Bowling
12th
Time Distance
7th
Tongue-twisters
35th
United States
30th
Vampire Numbers
11th
Van Eck Sequence
14th
Zodiac Signs
11th
γ
8th
λ
29th
50th
36th
12th
π
22nd
τ
15th
φ
14th
√2
15th
𝑒
15th
65th