12 Days of Christmas
13th
24 Game
9th
99 Bottles of Beer
16th
Abundant Numbers
15th
855th
Abundant Numbers (Long)
15th
33rd
447th
Alphabetic Numbers
2nd
Arabic to Roman
15th
Arithmetic Numbers
11th
Arrows
13th
Ascending Primes
10th
ASCII Table
40th
6th
14th
brainfuck
25th
Card Number Validation
8th
Catalan Numbers
30th
Catalan’s Constant
34th
31st
10th
Christmas Trees
19th
CSS Colors
9th
Cubes
54th
16th
Day of Week
1st
Diamonds
28th
Divisors
1st
Emojify
10th
Evil Numbers
66th
Evil Numbers (Long)
35th
Factorial Factorisation
11th
Farey Sequence
21st
Fibonacci
220th
1st
96th
Fizz Buzz
88th
38th
12th
Foo Fizz Buzz Bar
21st
Fractions
22nd
Happy Numbers
97th
44th
Intersection
13th
Inventory Sequence
19th
ISBN
11th
Jacobi Symbol
8th
Kaprekar Numbers
8th
Kolakoski Constant
30th
31st
12th
Leap Years
190th
48th
91st
Leyland Numbers
14th
ln 2
15th14th8th19th6th25th18th32nd23rd11th45th22nd15th19th18th8th21st14th14th12th16th18th
27th
19th6th31st61st51st10th7th4th4th31st11th16th18th242nd16th12th31st12th4th7th7th8th5th9th4th9th
Lucky Numbers
48th
12th
Medal Tally
6th
Morse Encoder
8th
N Queens
9th
125th
Niven Numbers
52nd
Niven Numbers (Long)
42nd
51st
24th
Number Spiral
12th
Odious Numbers
50th
Odious Numbers (Long)
39th
Ordinal Numbers
1st
PalindromemordnilaP
6th
Pangram Grep
69th
177th
16th
Pascal’s Triangle
27th
59th
Prime Numbers
38th
269th
Prime Numbers (Long)
21st
Quine
1st
82nd
Recamán
24th
394th
Reverse Polish Notation
10th
Rijndael S-box
16th
28th
4th
Rock-paper-scissors-Spock-lizard
87th
4th
Roman to Arabic
23rd
ROT13
7th
SI Units
3rd
Sierpiński Triangle
19th
Smith Numbers
10th
Taxicab Numbers
9th
Tongue-twisters
15th
11th
Trinomial Triangle
8th
United States
5th
Vampire Numbers
13th
Van Eck Sequence
22nd
γ
34th
29th
11th
8th
λ
12th
54th
47th
10th
54th
16th
π
79th
47th
12th
11th
509th
τ
52nd
39th
12th
14th
φ
46th
45th
14th
17th
√2
46th
49th
15th
14th
𝑒
61st
49th
14th
17th
42nd
7th