1236536domain: NAppears in sequencesThe smaller of a betrothed pair.at n=24A003502Number of n X n symmetric 0..3 arrays with each element equal to the product mod 4 of two of its horizontal and vertical neighbors.at n=5A193482G.f. satisfies: A(x) = x + (A(x) - A(x)^2) * A(A(x)) where A(0)=0.at n=10A210591