Convolution of A075298 with A056594.

Terms

a(0) =1a(1) =1a(2) =-6a(3) =4a(4) =7a(5) =-15a(6) =8a(7) =12a(8) =-31a(9) =29a(10) =10a(11) =-72a(12) =95a(13) =-11a(14) =-160a(15) =264a(16) =-111a(17) =-311a(18) =682a(19) =-484a(20) =-505a(21) =1673a(22) =-1656a(23) =-524a(24) =3857a(25) =-4987a(26) =602a(27) =8240a(28) =-13825a(29) =6189