A048451 Starting from generation 4 add previous and next term yielding generation 5.
30, 56, 97, 125, 179, 214, 274, 326, 382, 454, 506, 582, 640, 708, 780, 842, 924, 984, 1060, 1128, 1194, 1276, 1348, 1432, 1508, 1582, 1652, 1718, 1808, 1870, 1998, 2052, 2192, 2238, 2364, 2418, 2522, 2594, 2686, 2758, 2860, 2912, 3028, 3074, 3196, 3268
Offset: 0