Question

What is the missing number in the arithmetic sequence -11, 5, __, 37, ...?

Answer 1

Table[ 16n-27, { n, 6 } ] -> { -11, 5, 21, 37, 53, 69 }

Answer 2

-11+16=5
5+16=21
21+16=37
37+16=53
53+16=69