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 A298948 #7 Feb 04 2018 12:43:59
%S A298948 1,0,-2,-2,1,2,1,0,2,2,-2,-6,-2,2,2,0,3,2,-1,-6,-2,2,3,-2,4,6,0,-10,
%T A298948 -4,0,4,-2,5,8,6,-12,-6,-4,-1,-6,12,10,8,-12,-4,-4,1,-18,11,18,15,-20,
%U A298948 -2,-8,7,-18,8,12,29,-24,2,-8,3,-34,21,6,29,-32,5,-8,31,-52
%N A298948 Expansion of Product_{k>=1} (1 - x^prime(k))^2.
%C A298948 Self-convolution of A046675.
%Y A298948 Cf. A046675, A280245, A298436.
%K A298948 sign
%O A298948 0,3
%A A298948 _Seiichi Manyama_, Jan 30 2018