A048453 Starting from generation 6 add previous and next term yielding generation 7.
127, 237, 403, 520, 729, 879, 1109, 1320, 1544, 1816, 2034, 2326, 2566, 2840, 3124, 3376, 3688, 3938, 4238, 4516, 4796, 5112, 5398, 5722, 6016, 6314, 6620, 6888, 7266, 7510, 7996, 8212, 8746, 8946, 9442, 9668, 10094, 10364, 10754, 11022, 11434, 11656
Offset: 0