This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A308298 #5 May 19 2019 20:41:06
%S A308298 0,1,1,-1,0,-1,1,0,-1,-1,2,1,0,-3,0,1,3,-2,-1,0,4,-3,-1,-5,6,2,2,-11,
%T A308298 4,4,13,-16,-5,-8,30,-8,-7,-33,42,8,16,-82,27,19,95,-116,-21,-45,223,
%U A308298 -82,-40,-264,326,46,135,-629,242,99,752,-942,-105,-421,1826,-717,-240
%N A308298 Expansion of Sum_{k>=1} mu(k)*log(1 + Sum_{j>=1} x^(prime(j)*k))/k.
%C A308298 Inverse Euler transform of A010051.
%F A308298 -1 + Product_{n>=1} 1/(1 - x^n)^a(n) = g.f. of A010051.
%t A308298 nmax = 65; CoefficientList[Series[Sum[MoebiusMu[k] Log[1 + Sum[x^(Prime[j] k), {j, 1, nmax}]]/k, {k, 1, nmax}], {x, 0, nmax}], x] // Rest
%Y A308298 Cf. A000607, A008683, A010051, A030010.
%K A308298 sign
%O A308298 1,11
%A A308298 _Ilya Gutkovskiy_, May 19 2019