1. c2 = 1 · c1 + 2 · c0 + 2 = 2 + 2 + 2 = 6.
c3 = 2 · c2 + 3 · c1 + 3 = 12 + 6 + 3 = 21.
c4 = 3 · c3 + 4 · c2 + 4 = 63 + 24 + 4 = 91.
Back to Section 8.1