A023656 Convolution of (F(2), F(3), F(4), ...) and A014306.
0, 1, 3, 5, 9, 16, 27, 45, 74, 120, 195, 317, 514, 833, 1349, 2184, 3535, 5721, 9258, 14980, 24239, 39221, 63462, 102685, 166149, 268836, 434987, 703825, 1138814, 1842641, 2981457, 4824100, 7805559
Offset: 1