R(0) = 0R(1) = 0R(2) = 1R(3) = R(2) + R(0) + R(2) = 1 + 0 + 1 = 2R(4) = R(3) + R(1) = 2 + 0 = 2R(5) = R(4) + R(2) + R(3) = 2 + 1 + 2 = 5R(6) = R(5) + R(3) = 5 + 2 = 7R(7) = R(6) + R(4) + R(4) = 7 + 2 + 2 = 11R(8) = R(7) + R(5) = 11 + 5 = 16R(9) = R(8) + R(6) + R(5) = 16 + 7 + 5 = 28R(10) = R(9) + R(7) = 28 + 11 = 39