12 Days of Christmas
6th
111th
99 Bottles of Beer
8th
Abundant Numbers
13th
152nd
Abundant Numbers (Long)
11th
Arithmetic Numbers
3rd
Ascending Primes
3rd
ASCII Table
6th
77th
brainfuck
9th
Card Number Validation
1st
Catalan Numbers
5th
Catalan’s Constant
9th
Christmas Trees
7th
Collatz
10th
13th
207th
CSS Colors
6th
Cubes
5th
Day of Week
6th
Diamonds
6th
Divisors
5th
101st
Emirp Numbers
10th
Emojify
5th
Evil Numbers
10th
815th
Farey Sequence
8th
Fibonacci
8th
1st
Fizz Buzz
53rd
22nd
548th
Fractions
4th
Gijswijt’s Sequence
5th
111th
Happy Numbers
7th
Happy Numbers (Long)
7th
Hexdump
5th
106th
Inventory Sequence
9th
ISBN
3rd
38th
Jacobi Symbol
7th
Kaprekar Numbers
5th
Kolakoski Constant
8th
Kolakoski Sequence
12th
Leap Years
5th
Levenshtein Distance
4th
43rd
Leyland Numbers
7th
Look and Say
5th
Lucky Numbers
6th
47th
Lucky Tickets
Morse Encoder
3rd
90th
N Queens
2nd
Niven Numbers
9th
Odious Numbers
10th
Ordinal Numbers
7th
Pangram Grep
6th
80th
Pascal’s Triangle
10th
Prime Numbers
11th
140th
Quine
1st
5th29th
21st91st
50th
58th
Recamán
10th
60th
Reverse Polish Notation
1st
Rijndael S-box
3rd
Rock-paper-scissors-Spock-lizard
6th
Roman to Arabic
4th
130th
ROT13
3rd2nd7th
4th
Seven Segment
6th
Sierpiński Triangle
7th
Smith Numbers
4th
208th
Tongue-twisters
5th
Transpose Sentence
3rd
61st
United States
24th
Vampire Numbers
6th
Van Eck Sequence
7th
Zeckendorf Representation
3rd
λ
11th
62nd
π
11th
τ
10th
φ
9th
√2
9th
𝑒
13th