LGFs for seqs with sums of divisors

[Ralf Stephan]

You wrote 
> s=-log(prod(j=1,N,(1+x^j)^(1))); \\ A000593   Sum of odd divisors of n. A115607
> 
> 
> Should these guys go as comments/formulas to the respective seqs?
>

Certainly! They should go in the %F (formula) line like
%F A000203 G.f. A(x) = convolution of [1,2,3,4,...] with -log...etc


ralf