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 A294245 #16 Sep 17 2020 17:02:59
%S A294245 0,0,4,4,17,17,29,29,37,46,66,66,103,130,158,158,174,174,192,192,212,
%T A294245 212,301,301,374,399,451,478,506,506,566,629,661,661,729,729,765,840,
%U A294245 916,916,1037,1037,1121,1121,1165,1210,1302,1302,1350,1498,1548,1548
%N A294245 Sum of the larger parts of the partitions of 2n into two parts with larger part nonsquarefree.
%H A294245 <a href="/index/Par#part">Index entries for sequences related to partitions</a>
%F A294245 a(n) = Sum_{i=1..n} (2*n-i) * (1 - mu(2*n-i)^2), where mu is the Möbius function (A008683).
%t A294245 Table[Sum[(2 n - k) (1 - MoebiusMu[2 n - k]^2), {k, n}], {n, 80}]
%o A294245 (PARI) a(n) = sum(i=1, n, (2*n-i)*(1 - moebius(2*n-i)^2)); \\ _Michel Marcus_, Feb 11 2018
%Y A294245 Cf. A008683, A008966, A294246.
%K A294245 nonn,easy
%O A294245 1,3
%A A294245 _Wesley Ivan Hurt_, Oct 25 2017