A132749 * [1, 2, 3, ...] = A007318 * A065190.

Terms

a(0) =1a(1) =4a(2) =9a(3) =21a(4) =49a(5) =113a(6) =257a(7) =577a(8) =1281a(9) =2817a(10) =6145a(11) =13313a(12) =28673a(13) =61441a(14) =131073a(15) =278529a(16) =589825a(17) =1245185a(18) =2621441a(19) =5505025a(20) =11534337a(21) =24117249a(22) =50331649a(23) =104857601a(24) =218103809a(25) =452984833a(26) =939524097a(27) =1946157057a(28) =4026531841