%I #7 Sep 07 2022 22:22:29
%S 2,-1,8,-3,-5,41,-31,11,-33,286,-344,250,-63,-279,2577,-4418,4822,
%T -2423,489,-2895,28624,-64891,93624,-70501,28504,-4785,-35685,378317,
%U -1073889,1916161,-1925999,1169751,-392971,56475,-509985,5795682,-19792118,41973586
%N Triangle of coefficients of powers of e^2 in numerators of Sum_{k>=1} {1 / (1 + k^2*Pi^2)^n}.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/InfiniteSeries.html">Infinite Series</a>
%e {2, -3 + 8*e^2 - e^4, 11 - 31*e^2 + 41*e^4 - 5*e^6}.
%K sign,tabl
%O 1,1
%A _Eric W. Weisstein_, Jul 01 2003