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%I #12 Jun 07 2018 03:53:30
%S -30,6660,-1536120,354476040,-81800478900,18876653594640,
%T -4356063194112240,1005225129672310800,-231970363216834560390,
%U 53530545369975222475800,-12352954264801690636800360,2850624405442199478575792160
%N a(n) = (1/8) * Sum_{d|n} d * A110163(d).
%H Vaclav Kotesovec, <a href="/A300147/b300147.txt">Table of n, a(n) for n = 1..420</a>
%F a(n) ~ (-1)^n * exp(Pi*sqrt(3)*n) / 8. - _Vaclav Kotesovec_, Jun 07 2018
%Y Cf. A004009 (E_4), A108091, A110163, A289247, A300025.
%K sign
%O 1,1
%A _Seiichi Manyama_, Feb 26 2018
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