Find the first 5 terms of the following sequences

Question 1:

n2
1,4,9,16,25

Question 2:

3n2
3,12,27,48,75

Question 3:

n2+2
3,6,11,18,27

Question 4:

2n2+5
7,13,23,37,55

Question 5:

n23n5
-7,-7,-5,-1,5

Question 6:

2n23n+7
6,9,16,27,42