a(n) = A326128(n) * A389077(n).

Terms

a(0) =0a(1) =0a(2) =0a(3) =9a(4) =0a(5) =0a(6) =0a(7) =60a(8) =40a(9) =0a(10) =0a(11) =252a(12) =0a(13) =0a(14) =0a(15) =585a(16) =0a(17) =736a(18) =0a(19) =510a(20) =0a(21) =0a(22) =0a(23) =1620a(24) =168a(25) =0a(26) =624a(27) =966a(28) =0a(29) =0