A034735 Dirichlet convolution of b_n=2^(n-1) with c_n=3^(n-1).

1, 5, 13, 41, 97, 305, 793, 2393, 6853, 20405, 60073, 179957, 535537, 1604165, 4799821, 14386649, 43112257, 129286385, 387682633, 1162827737, 3487836469, 10462571525, 31385253913, 94151940581, 282446314993, 847323239045