%I #3 Mar 31 2012 13:22:16
%S 1,4,7,17,23,57,77,171,287,581,1053,2209,4133,8387,16503,33145,65589,
%T 131821,262205,525561,1048891,2099331,4194383,8393549,16777417,
%U 33562795,67109809,134234721,268435563,536905903,1073741937,2147550181
%N Dirichlet convolution of b_n=2^(n-1) with Primes (with 1).
%K nonn
%O 1,2
%A _Erich Friedman_
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