12 Days of Christmas
6th
99 Bottles of Beer
17th
Abundant Numbers
12th973rd
Abundant Numbers (Long)
6th
Arithmetic Numbers
7th
Arrows
12th
ASCII Table
8th
Catalan Numbers
19th
Christmas Trees
9th
Collatz
14th583rd
62nd
CSS Colors
18th
Day of Week
1st
Diamonds
10th
Divisors
17th1,357th
Emirp Numbers
18th
Emirp Numbers (Long)
7th
Emojify
6th
Evil Numbers
27th909th
Evil Numbers (Long)
17th489th
Farey Sequence
11th
Fibonacci
9th1,703rd
Fizz Buzz
122nd638th39th532nd1,292nd206th68th92nd147th1st1,225th126th252nd250th44th33rd
Foo Fizz Buzz Bar
28th
1st464th
Fractions
9th519th
Happy Numbers
21st
Happy Numbers (Long)
7th
Inventory Sequence
10th
ISBN
12th
Kolakoski Sequence
10th
Leap Years
1st946th
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
24th654th
Odious Numbers (Long)
17th377th
Ordinal Numbers
10th
Pangram Grep
17th
Partition Numbers
9th
Pascal’s Triangle
14th
Pernicious Numbers
34th576th
Pernicious Numbers (Long)
13th
Prime Numbers
20th1,069th
Prime Numbers (Long)
19th
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
14th322nd
Transpose Sentence
3rd
United States
12th
Vampire Numbers
8th
Van Eck Sequence
14th
Zeckendorf Representation
8th
π
19th