Posted by A.j.nafis on Tuesday, January 22, 2013 at 1:14pm.
Find the summation,
9+16+29+54+103+............nth term

Math  Steve, Tuesday, January 22, 2013 at 2:38pm
Hmm. Using Newton's Divided Differences, we get
Tn = 1/4 (x^46x^3+23x^214x+32)
Sn = 1/20 x(x^45x^3+25x^2+15x+144)
Seems a bit complicated for the average induction problem.