116348domain: NAppears in sequencesNumber of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=7A251945E.g.f. A(x) satisfies: 1 = Sum_{n>=0} (exp(n*x) - A(x))^n * x^n/n!.at n=7A326014