Question

Find the
nth term formula of the following sequence 5,6,13,26,45

Answer 1

a(previous)+ 1 +6*(n-2) , a1=5

Explanation:

6-5; 13-6; ...

1;7;13;19...

1+0*6; 1+1*6; 1+2*6; 1+3*+6; ...; 1+6(n-2)

5، 6، 13، 26, a(n-1) + 1 + 6(n-2)