Dirichlet convolution of A133494 [3^(n-1)] with A349452 (Dirichlet inverse of A011782, 2^(n-1)).

A349567

Dirichlet convolution of A133494 [3^(n-1)] with A349452 (Dirichlet inverse of A011782, 2^(n-1)).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =17a(4) =65a(5) =197a(6) =665a(7) =2017a(8) =6285a(9) =19025a(10) =58025a(11) =174565a(12) =527345a(13) =1584737a(14) =4766245a(15) =14311841a(16) =42981185a(17) =128995317a(18) =387158345a(19) =1161697825a(20) =3485732845a(21) =10458138977a(22) =31376865305a(23) =94134428213a(24) =282412758225a(25) =847253996225

External references