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 A294097 #10 Feb 05 2018 02:59:09 %S A294097 1,2,2,4,2,5,3,7,5,8,6,10,6,10,6,12,9,17,8,16,9,18,9,19,10,21,14,20, %T A294097 15,22,14,23,14,27,17,33,18,30,16,30,16,33,17,35,23,34,22,36,22,39,24, %U A294097 40,25,49,24,44,25,46,25,47,25,50,32,46,31,48,30,49,30 %N A294097 Number of partitions of 2n into two parts such that both parts are either squarefree or nonsquarefree. %H A294097 <a href="/index/Par#part">Index entries for sequences related to partitions</a> %F A294097 a(n) = Sum_{k=1..n} [A008966(i) = A008966(2n-i)], where [] is the Iverson bracket. %t A294097 Table[Sum[KroneckerDelta[MoebiusMu[k]^2, MoebiusMu[2 n - k]^2], {k, n}], {n, 80}] %Y A294097 Cf. A008966, A294098. %K A294097 nonn,easy %O A294097 1,2 %A A294097 _Wesley Ivan Hurt_, Oct 22 2017