Expansion of e.g.f. x*exp(4*x)*cosh(x).

Terms

a(0) =0a(1) =1a(2) =8a(3) =51a(4) =304a(5) =1765a(6) =10104a(7) =57239a(8) =321248a(9) =1787337a(10) =9864040a(11) =54035707a(12) =294031632a(13) =1590368429a(14) =8556082136a(15) =45812239455a(16) =244255416256