12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
18th
116th
55th
39th
12th
19th
Abundant Numbers (Long)
17th
66th
37th
40th
13th
18th
Arabic to Roman
ASCII Table
Christmas Trees
10th
75th
87th
32nd
9th
16th
Collatz
Cubes
Diamonds
Divisors
17th
127th
69th
45th
13th
25th
58th
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Fibonacci
30th
140th
36th
1st
1st
26th
100th
Fizz Buzz
37th
31st
252nd
36th
25th
45th
188th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
Intersection
ISBN
Leap Years
17th
105th
68th
42nd
16th
21st
42nd
Leyland Numbers
Look and Say
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
15th
47th
32nd
29th
10th
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
20th
137th
74th
52nd
14th
Prime Numbers (Long)
18th
81st
48th
45th
15th
RecamΓ‘n
Roman to Arabic
Time Distance
Tongue-twisters
Vampire Numbers
Van Eck Sequence