A146320 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 9 and every element equal to at least one neighbor.
0, 1, 10742, 1562979, 19868428, 116875556, 471829672, 1513833810, 4145705032, 10094479834, 22430185920
Offset: 3