This is a sequence based on the squares of numbers (positive integers) but starting with the square of 2.
Under normal circumstances the sequence formula would be n2 but as the first term is 4, the sequence formula becomes, (n + 1)2.
Check : the third term is (3 + 1)2 = 42 = 16
Chat with our AI personalities
Yes
no it is not a recursive pattern because it isn't equal numbers.
-16
The perfect squares in the range are 25, 36 and 49.
1, 4, 9, 16, 25, 36