A146210 Number of n X n arrays of squares of integers summing to 8 with every element equal to at least one neighbor.
4, 12, 1938, 58808, 475414, 2193309, 7466929, 20973758, 51518964, 114522547, 235503899, 454805724, 833826118, 1463054489, 2472233877, 4042999114, 6424367144
Offset: 2