%I #8 Mar 01 2019 08:06:59
%S 1,5,7,18,13,40,21,61,44,74,41,157,51,120,113,194,71,261,81,293,179,
%T 220,103,542,162,278,256,461,137,654,145,587,331,386,321,1033,189,440,
%U 409,1000,215,1032,225,829,720,554,247,1711,384,913,567,1035,293,1468
%N Dirichlet convolution of primes (with 1) with sigma(n).
%o (PARI) pbc(n) = if (n==1, 1, prime(n1));
%o a(n) = sumdiv(n, d, pbc(d)*sigma(n/d)); \\ _Michel Marcus_, Feb 28 2019
%Y Cf. A000203, A008578.
%K nonn
%O 1,2
%A _Erich Friedman_
