Find the fourth terms of the sequence 1,4,9…..

Let the sequence be defined as follows : a_1=3 , a_n =3a_(n-1)+2 , for all n> 1. Find the first four terms of the sequence.

Find the nth term of the sequence 5,2,-1,-4,-7, ...........

Find the sum to n terms of the sequence : 1,-1,1,-1,........ ,(-1)^(n+1) , ..........

Find the first five terms of the sequence whose n^(th) term is a_n = (-1)^(n + 1) 2n

Find the first five terms of the sequence whose n^(th) term is a_n = (n-1)/(n + 1)

Find the first six terms of the sequence whose first term is 1 and whose (n+1)th term is obtained by adding n to the nth term.

Find the first five terms of the sequence whose n^(th) term is a_n = n/4

Find the first five terms of the sequence whose n^(th) term is a_n = 2n + 1

Find the first five terms of the sequence whose n^(th) term is a_n = n^2 - 1