E.g.f.: (sin(2*x) + sin(5*x)) / sin(7*x).A273032E.g.f.: (sin(2*x) + sin(5*x)) / sin(7*x).Terms a(0) =1a(1) =10a(2) =590a(3) =87730a(4) =24386030a(5) =10896056050External referencesoeis: A273032