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A258362 Sum over all partitions lambda of n into 7 distinct parts of Product_{i:lambda} prime(i). 2

%I

%S 510510,570570,1436820,2655870,5532330,9757518,19659886,34710965,

%T 58356321,96541978,161476211,256683013,419693431,647984259,1021626403,

%U 1536889595,2332063802,3443800806,5133970767,7443724123,10827942578,15520714599,22052126419,30994058608

%N Sum over all partitions lambda of n into 7 distinct parts of Product_{i:lambda} prime(i).

%H Alois P. Heinz, <a href="/A258362/b258362.txt">Table of n, a(n) for n = 28..1000</a>

%p g:= proc(n, i) option remember; convert(series(`if`(n=0, 1,

%p `if`(i<1, 0, add(g(n-i*j, i-1)*(ithprime(i)*x)^j

%p , j=0..min(1, n/i)))), x, 8), polynom)

%p end:

%p a:= n-> coeff(g(n$2), x, 7):

%p seq(a(n), n=28..60);

%Y Column k=7 of A258323.

%Y Cf. A000040.

%K nonn

%O 28,1

%A _Alois P. Heinz_, May 27 2015

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Last modified October 15 09:22 EDT 2019. Contains 328026 sequences. (Running on oeis4.)