12 Days of Christmas
6th
99 Bottles of Beer
15th
Abundant Numbers
8th
748th
Abundant Numbers (Long)
5th
Arithmetic Numbers
6th
Arrows
11th
ASCII Table
7th
Catalan Numbers
15th
Christmas Trees
7th
Collatz
6th
374th
39th
CSS Colors
15th
Day of Week
1st
Diamonds
8th
Divisors
11th
1,145th
Emirp Numbers
15th
Emirp Numbers (Long)
5th
Emojify
6th
Evil Numbers
23rd
725th
Evil Numbers (Long)
13th
324th
Farey Sequence
10th
Fibonacci
7th
1,368th
Fizz Buzz
100th
507th
32nd
442nd
1,116th
175th
61st
81st
67th
1st
969th
116th
209th
199th
32nd
26th
Foo Fizz Buzz Bar
23rd
1st
316th
Fractions
7th
354th
Happy Numbers
17th
Happy Numbers (Long)
6th
Inventory Sequence
8th
ISBN
10th
Kolakoski Sequence
9th
Leap Years
1st
747th
Leyland Numbers
8th
Look and Say
7th
Lucky Numbers
5th
Medal Tally
5th
Niven Numbers
26th
Niven Numbers (Long)
3rd
Number Spiral
6th
Odious Numbers
18th
515th
Odious Numbers (Long)
11th
246th
Ordinal Numbers
6th
Pangram Grep
15th
Pascalβs Triangle
11th
Pernicious Numbers
27th
463rd
Pernicious Numbers (Long)
9th
Prime Numbers
15th
868th
Prime Numbers (Long)
11th
Quine
33rd
RecamΓ‘n
11th
Reverse Polish Notation
10th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
10th
Seven Segment
5th
SierpiΕski Triangle
13th
Star Wars Opening Crawl
5th
Ten-pin Bowling
7th
Time Distance
5th
Tongue-twisters
13th
243rd
United States
10th
Vampire Numbers
7th
Van Eck Sequence
12th
Ο
13th