Triangle read by rows: A011971 * A007318^(-1).

Terms

a(0) =1a(1) =-1a(2) =2a(3) =4a(4) =-7a(5) =5a(6) =-7a(7) =32a(8) =-35a(9) =15a(10) =37a(11) =-131a(12) =228a(13) =-171a(14) =52a(15) =-94a(16) =646a(17) =-1379a(18) =1540a(19) =-864a(20) =203a(21) =587a(22) =-3146a(23) =8648a(24) =-12483a(25) =10308a(26) =-4588a(27) =877a(28) =-1925a(29) =17464