12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
16th
111th
55th
38th
13th
19th
Abundant Numbers (Long)
15th
63rd
36th
37th
12th
17th
Arabic to Roman
ASCII Table
Christmas Trees
8th
71st
84th
30th
8th
14th
Collatz
Cubes
Diamonds
Divisors
14th
120th
64th
40th
12th
23rd
54th
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Fibonacci
22nd
129th
31st
2nd
1st
23rd
90th
Fizz Buzz
30th
31st
236th
32nd
22nd
40th
171st
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
Intersection
ISBN
Leap Years
16th
104th
67th
40th
15th
20th
43rd
Leyland Numbers
Look and Say
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
12th
44th
29th
26th
8th
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
17th
133rd
70th
49th
12th
Prime Numbers (Long)
16th
78th
45th
41st
11th
Recamán
Roman to Arabic
Time Distance
Tongue-twisters
Vampire Numbers
Van Eck Sequence