A146473 Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1110-0111 pattern in any orientation.

1, 1, 1, 1, 1, 1, 3, 5, 11, 17, 47, 105, 423, 1139, 5013, 16157, 89505, 364489, 2547425, 12720065, 106893393, 655837481, 6848268559, 52044360871, 671335193705, 6279476454279, 99399530079385, 1146233917953945, 22401744159971375