490308domain: NAppears in sequencesExpansion of e.g.f. (1/(1-x))^exp(x).at n=8A191365Number of 2Xn 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=17A280400