Find the first 5 terms of the following sequences

Question 1:

4n2
4,16,36,64,100

Question 2:

3n2
3,12,27,48,75

Question 3:

2n2+1
3,9,19,33,51

Question 4:

4n2+4
8,20,40,68,104

Question 5:

n2+n−2
0,4,10,18,28

Question 6:

2n2+n+2
5,12,23,38,57