132468domain: NAppears in sequencesa(n) = 10000*n + 2468.at n=13A102689a(n) = 169*n^2 - n.at n=27A157998a(n) = 676*n^2 - 2*n.at n=13A158392a(n) = 784*n^2 - 28.at n=12A158657G.f. A(x) satisfies A( x/A(x)^2 + x^2 ) = 1 + x*A(x)^2.at n=7A384265