p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - 3 S + 2 S^3.

Terms

a(0) =0a(1) =3a(2) =-2a(3) =15a(4) =-18a(5) =76a(6) =-126a(7) =405a(8) =-802a(9) =2241a(10) =-4884a(11) =12696a(12) =-29100a(13) =72903a(14) =-171490a(15) =421683a(16) =-1005030a(17) =2448356a(18) =-5873706a(19) =14243001a(20) =-34280258a(21) =82936965a(22) =-199930344a(23) =483172656a(24) =-1165648152a(25) =2815517835a(26) =-6794932418a(27) =16408304343a(28) =-39606671610a(29) =95629756540