118073domain: NAppears in sequencesG.f.: A(x) = ( G(x)^7 - G(x^7) - 7*x*((1-x^6)/(1-x))/(1-x^7) )/(49*x^2) where G(x) is the g.f. of A110635.at n=14A111584Solution (a(n)) of the complementary equation in Comments.at n=14A298741