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%I #15 Aug 30 2016 06:25:15
%S 1,2,6,228,6745,252792,11281312,585632520,34690541994,2309813476870,
%T 170797663069044,13888215374348892,1231730727253607451,
%U 118329596584708240732,12241103359460777972760,1356712722052907806912016
%N Number of ways to place n nonattacking wazirs on an n X n toroidal board.
%C Wazir is a leaper [0,1].
%H V. Kotesovec, <a href="https://oeis.org/wiki/User:Vaclav_Kotesovec">Non-attacking chess pieces</a>, 6ed, 2013, p. 411.
%F Asymptotics: a(n) ~ n^(2n)/n!*exp(-5/2).
%Y Cf. A027683, A201511.
%K nonn,hard
%O 1,2
%A _Vaclav Kotesovec_, Dec 03 2011