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:

3n2+5
8,17,32,53,80

Question 4:

3n27
-4,5,20,41,68

Question 5:

3n2+2n3
2,13,30,53,82

Question 6:

n22n8
-9,-8,-5,0,7