%I #28 Mar 05 2018 07:31:41
%S 1,-480,168480,-52199040,15119446560,-4198347132480,1132514464199040,
%T -299116847254053120,77742157641008378400,-19951615350261029163360,
%U 5068304275307482667436480,-1276700988345016720650917760
%N Coefficients in expansion of 1/E_8.
%H Seiichi Manyama, <a href="/A287933/b287933.txt">Table of n, a(n) for n = 0..422</a>
%F a(n) ~ (-1)^n * c * exp(Pi*sqrt(3)*n) * n, where c = (262144 * Pi^24) / (81 * Gamma(1/3)^36) = 1.0839091249080051624370140889296742679583925822413671... - _Vaclav Kotesovec_, Jul 02 2017, updated Mar 05 2018
%Y Cf. A008410 (E_8).
%Y Cf. A288816 (k=2), A001943 (k=4), A000706 (k=6), this sequence (k=8), A285836 (k=10), A287964 (k=14).
%K sign
%O 0,2
%A _Seiichi Manyama_, Jun 17 2017
|