Dirichlet g.f.: Product_{k>=2} 1 / (1 + k^(-s))^9.

Terms

a(0) =1a(1) =-9a(2) =-9a(3) =36a(4) =-9a(5) =72a(6) =-9a(7) =-93a(8) =36a(9) =72a(10) =-9a(11) =-252a(12) =-9a(13) =72a(14) =72a(15) =207a(16) =-9a(17) =-252a(18) =-9a(19) =-252a(20) =72a(21) =72a(22) =-9a(23) =585a(24) =36a(25) =72a(26) =-93a(27) =-252a(28) =-9a(29) =-495