12 Days of Christmas
7th
99 Bottles of Beer
8th
Abundant Numbers
26th
Abundant Numbers (Long)
16th
Alphabetic Numbers
3rd
Arabic to Roman
18th
Arithmetic Numbers
51st
Arrows
9th
Ascending Primes
6th
ASCII Table
7th
brainfuck
22nd
Calendar
3rd
Catalan Numbers
27th
Christmas Trees
23rd
Collatz
26th
CSS Colors
1st
Cubes
9th
Day of Week
44th1st15th
Diamonds
16th
Divisors
156th💎9th
Emirp Numbers
17th
Emirp Numbers (Long)
6th
Emojify
9th
Evil Numbers
2nd34th
Evil Numbers (Long)
1st
Fibonacci
25th
Fizz Buzz
3rd1st33rd
Foo Fizz Buzz Bar
20th1st16th
Fractions
11th
Gray Code Decoder
5th
Gray Code Encoder
6th
Happy Numbers
62nd17th
Happy Numbers (Long)
20th
Hexdump
11th
Intersection
11th
ISBN
8th
Leap Years
1st17th
Leyland Numbers
17th2nd
Look and Say
18th
Lucky Numbers
10th
Medal Tally
8th
Morse Decoder
10th
Morse Encoder
11th
Niven Numbers
35th
Niven Numbers (Long)
13th
Number Spiral
5th
Odious Numbers
2nd29th
Odious Numbers (Long)
1st
Ordinal Numbers
48th16th1st
Pangram Grep
8th
Pascal’s Triangle
15th
Pernicious Numbers
25th
Pernicious Numbers (Long)
8th
Prime Numbers
14th36th
Prime Numbers (Long)
22nd5th
Quine
23rd
Recamán
18th
Reverse Polish Notation
8th
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
27th
ROT13
10th
Rule 110
11th
Scrambled Sort
5th
Seven Segment
18th
Sierpiński Triangle
13th
Smith Numbers
9th
Spelling Numbers
6th
Star Wars Opening Crawl
7th
Taxicab Numbers
4th
Tongue-twisters
18th
United States
29th13th
Vampire Numbers
5th
Van Eck Sequence
15th
π
16th
τ
13th
φ
11th
√2
10th
𝑒
12th