6; 10; 14; 18; - an= 4n + 2
3; 6; 9; 12; - an = 3n
4; 9; 16; 25; - an = (n + 1)2
3; 8; 15; 24;-an = n (n + 2)
6; 10; 14; 18; - an= 4n + 2
3; 6; 9; 12; - an = 3n
4; 9; 16; 25; - an = (n + 1)2
3; 8; 15; 24;-an = n (n + 2)