12 Days of Christmas
6th
99 Bottles of Beer
17th
Abundant Numbers
12th965th
Abundant Numbers (Long)
6th
Arithmetic Numbers
7th
Arrows
12th
ASCII Table
8th
Catalan Numbers
19th
Christmas Trees
9th
Collatz
14th577th
62nd
CSS Colors
17th
Day of Week
1st
Diamonds
10th
Divisors
17th1,349th
Emirp Numbers
18th
Emirp Numbers (Long)
7th
Emojify
6th
Evil Numbers
27th906th
Evil Numbers (Long)
17th482nd
Farey Sequence
11th
Fibonacci
9th1,695th
Fizz Buzz
121st636th39th530th1,279th205th67th92nd146th1st1,210th126th252nd249th43rd32nd
Foo Fizz Buzz Bar
28th
1st456th
Fractions
9th512th
Happy Numbers
21st
Happy Numbers (Long)
7th
Inventory Sequence
10th
ISBN
12th
Kolakoski Sequence
10th
Leap Years
1st937th
Leyland Numbers
8th
Look and Say
9th
Lucky Numbers
7th
Medal Tally
7th
Niven Numbers
31st
Niven Numbers (Long)
3rd
Number Spiral
6th
Odious Numbers
24th652nd
Odious Numbers (Long)
17th374th
Ordinal Numbers
9th
Pangram Grep
17th
Partition Numbers
9th
Pascal’s Triangle
14th
Pernicious Numbers
34th574th
Pernicious Numbers (Long)
13th
Prime Numbers
20th1,061st
Prime Numbers (Long)
18th
Quine
1st
Recamán
13th
Reverse Polish Notation
10th
Rock-paper-scissors-Spock-lizard
8th
Roman to Arabic
12th
ROT13
7th
Seven Segment
5th
Sierpiński Triangle
15th
Star Wars Opening Crawl
5th
Ten-pin Bowling
7th
Tic-tac-toe
8th
Time Distance
5th
Tongue-twisters
14th319th
Transpose Sentence
3rd
United States
12th
Vampire Numbers
8th
Van Eck Sequence
14th
Zeckendorf Representation
8th
π
18th