Dirichlet convolution of A011782 [2^(n-1)] with A349453 (Dirichlet inverse of A133494, 3^(n-1)).

A349568

Dirichlet convolution of A011782 [2^(n-1)] with A349453 (Dirichlet inverse of A133494, 3^(n-1)).

Terms

    a(0) =1a(1) =-1a(2) =-5a(3) =-16a(4) =-65a(5) =-187a(6) =-665a(7) =-1984a(8) =-6260a(9) =-18895a(10) =-58025a(11) =-174016a(12) =-527345a(13) =-1583407a(14) =-4765595a(15) =-14307568a(16) =-42981185a(17) =-128980852a(18) =-387158345a(19) =-1161657760a(20) =-3485726195a(21) =-10458022927a(22) =-31376865305a(23) =-94134053296a(24) =-282412754000a(25) =-847252941535

External references