%I A052459
%S A052459 1,15,95,374,1105,2701,5775,11180,20049,33835,54351,83810,124865,
%T A052459 180649,254815,351576,475745,632775,828799,1070670,1366001,1723205,
%U A052459 2151535,2661124,3263025,3969251,4792815,5747770,6849249,8113505
%N A052459 a(n) = n*(2*n^2+1)*(n^2+1)/6.
%C A052459 2-magic series constant.
%H A052459 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               MagicConstant.html">Link to a section of The World of Mathematics.</
               a>
%Y A052459 Cf. A052460, A052461.
%Y A052459 Sequence in context: A125325 A126483 A114240 this_sequence A044266 A044647 
               A159528
%Y A052459 Adjacent sequences: A052456 A052457 A052458 this_sequence A052460 A052461 
               A052462
%K A052459 nonn,easy
%O A052459 1,2
%A A052459 Eric Weisstein (eric(AT)weisstein.com)
%E A052459 Formula from Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 15 2002