12 Days of Christmas
6th
99 Bottles of Beer
17th
Abundant Numbers
12th849th
Abundant Numbers (Long)
6th
Arithmetic Numbers
7th
Arrows
12th
ASCII Table
8th
Catalan Numbers
16th
Christmas Trees
9th
Collatz
7th456th
51st
CSS Colors
17th
Day of Week
1st
Diamonds
8th
Divisors
14th1,243rd
Emirp Numbers
16th
Emirp Numbers (Long)
6th
Emojify
6th
Evil Numbers
24th798th
Evil Numbers (Long)
16th392nd
Farey Sequence
11th
Fibonacci
8th1,526th
Fizz Buzz
110th567th35th476th1,200th192nd64th87th137th1st1,107th120th222nd230th38th30th
Foo Fizz Buzz Bar
28th
1st390th
Fractions
8th432nd
Happy Numbers
19th
Happy Numbers (Long)
7th
Inventory Sequence
10th
ISBN
12th
Kolakoski Sequence
10th
Leap Years
1st843rd
Leyland Numbers
8th
Look and Say
8th
Lucky Numbers
6th
Medal Tally
7th
Niven Numbers
27th
Niven Numbers (Long)
3rd
Number Spiral
6th
Odious Numbers
20th577th
Odious Numbers (Long)
15th305th
Ordinal Numbers
7th
Pangram Grep
16th
Pascal’s Triangle
13th
Pernicious Numbers
30th508th
Pernicious Numbers (Long)
11th
Prime Numbers
15th958th
Prime Numbers (Long)
13th
Quine
1st
Recamán
12th
Reverse Polish Notation
10th
Rock-paper-scissors-Spock-lizard
8th
Roman to Arabic
12th
ROT13
5th
Seven Segment
5th
Sierpiński Triangle
14th
Star Wars Opening Crawl
5th
Ten-pin Bowling
7th
Tic-tac-toe
8th
Time Distance
5th
Tongue-twisters
13th271st
Transpose Sentence
3rd
United States
12th
Vampire Numbers
8th
Van Eck Sequence
13th
Zeckendorf Representation
8th
π
15th