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%I #16 Mar 26 2023 16:04:27
%S 1,448,30319,976640,21137959,357365350,5109144543,64737165162,
%T 749160010737,8080813574550,82425144219429,803491953235264,
%U 7545414941610145,68680800264413920,608889093898882615,5278006575696293456,44873569636443901967,375159494582050088590,3090799708762482416287
%N Number of ways to place 6n nonattacking kings on a 12 x 2n chessboard.
%H Vaclav Kotesovec, <a href="https://oeis.org/wiki/User:Vaclav_Kotesovec">Number of ways of placing non-attacking queens and kings on boards of various sizes</a>
%H Vaclav Kotesovec, <a href="/A174154/a174154.txt">G.f.</a>
%Y Column k=6 of A350819.
%Y Cf. A061594, A061593, A018807, A173782, A173783.
%K nonn
%O 0,2
%A _Vaclav Kotesovec_, Mar 10 2010
%E More terms from _Jinyuan Wang_, Feb 26 2020
%E a(0)=1 prepended by _Andrew Howroyd_, Mar 26 2023
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