Multiples of 6
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
What is the pattern?
0+6, 1+2, 1+8, 2+4, 3+0, 3+6, 4+2, 4+8, 5+4, 6+0
6, 3, 9, 6, 3, 9, 6, 12, 9, 6
The number is even and sum of the digits is a multiple of 3.