12 Days of Christmas
17th
99 Bottles of Beer
9th
Abundant Numbers
20th
Abundant Numbers (Long)
19th
Alphabetic Numbers
4th
Arabic to Roman
12th
Arithmetic Numbers
11th
Arrows
9th
Ascending Primes
9th
ASCII Table
12th
brainfuck
8th
Calendar
4th
Card Number Validation
14th
Catalan Numbers
15th
Catalan’s Constant
2nd
Christmas Trees
14th
Collatz
89th
20th
Continued Fractions
4th
CSS Colors
5th
Day of Week
14th
Diamonds
15th
Divisors
22nd
Emirp Numbers
15th
Emirp Numbers (Long)
10th
Emojify
11th
Evil Numbers
17th
Evil Numbers (Long)
14th
Factorial Factorisation
6th
Farey Sequence
12th
Fibonacci
8th
Fizz Buzz
19th
Foo Fizz Buzz Bar
6th
Fractions
15th
Happy Numbers
23rd
Happy Numbers (Long)
14th
Hexdump
9th
Intersection
11th
Inventory Sequence
11th
ISBN
12th
Kaprekar Numbers
12th
Kolakoski Constant
10th
Kolakoski Sequence
13th
Leap Years
7th
Levenshtein Distance
9th
Leyland Numbers
14th
ln 2
26th
8th
Look and Say
11th
Lucky Tickets
5th
Medal Tally
10th7th
Minesweeper
8th
Morse Decoder
7th
Morse Encoder
8th
Multitap Input
5th
N Queens
6th
Niven Numbers
27th
Niven Numbers (Long)
34th
1st
Number Spiral
9th
Odious Numbers
17th
Odious Numbers (Long)
17th
Ordinal Numbers
13th
PalindromemordnilaP
10th
Pangram Grep
22nd
Partition Numbers
20th
8th
Pascal’s Triangle
17th
Pernicious Numbers
25th
Pernicious Numbers (Long)
13th
Prime Numbers
1st
Prime Numbers (Long)
1st
QR Decoder
6th
Quine
14th
Recamán
10th
Repeating Decimals
6th
Reverse Polish Notation
10th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
8th
Roman to Arabic
9th
ROT13
13th
Scrambled Sort
10th
Semiprime Numbers
7th
Set
6th
Seven Segment
8th
Smith Numbers
11th
Taxicab Numbers
8th
Tic-tac-toe
8th
Time Distance
8th
Tongue-twisters
11th
Tower of Hanoi
12th
Transpose Sentence
11th17th
Trinomial Triangle
5th
United States
27th
10th
Vampire Numbers
8th
Van Eck Sequence
12th
Zeckendorf Representation
8th
Zodiac Signs
6th
γ
7th
λ
8th
π
12th
τ
8th
φ
12th
√2
13th
𝑒
12th