184512domain: NAppears in sequencesE.g.f. A(x) equals the inverse function of log(x)/(x + x^2).at n=5A138764Number of (n+2) X (5+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 0 or 3 and no column sum 0 or 3.at n=24A258963