Find the rules and fill in the numbers 4, 9, 14, 9, 16, 23, 14, 23, 32, What? I can't do it

Find the rules and fill in the numbers 4, 9, 14, 9, 16, 23, 14, 23, 32, What? I can't do it

Next group 19, 30, 41
The first one in each group is the former plus 5; the number difference within the group is fixed, and the number difference of the latter group is 2 larger than that of the former group
=19