A144241 Number of n X n binary arrays, symmetric about the diagonal and under 90 degree rotation, with every 1 adjacent to at least one other 1 both bishopwise and rookwise but with no three 1s in a row bishopwise or rookwise.

1, 2, 1, 3, 2, 4, 4, 13, 10, 65, 30, 231, 168, 1370, 1317, 17525, 10846, 191939, 133498, 2802218, 2431795, 73051050, 54458173, 2202863847, 1575946900, 84041510893, 69906212126, 5035951361562, 4061748253676, 385626222267420