1570681domain: NAppears in sequencesE.g.f. satisfies: A(x) = exp( x + Integral Integral A(x)^3 dx dx ).at n=9A234239Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=8A253835