Dirichlet convolution of b_n=2^(n-1) with Primes (with 1).

Terms

a(0) =1a(1) =4a(2) =7a(3) =17a(4) =23a(5) =57a(6) =77a(7) =171a(8) =287a(9) =581a(10) =1053a(11) =2209a(12) =4133a(13) =8387a(14) =16503a(15) =33145a(16) =65589a(17) =131821a(18) =262205a(19) =525561a(20) =1048891a(21) =2099331a(22) =4194383a(23) =8393549a(24) =16777417a(25) =33562795a(26) =67109809a(27) =134234721a(28) =268435563a(29) =536905903