A195650 - OEIS

%I #18 Aug 31 2024 15:04:26

%S 24576,18174084,3449705600,317076250136,18589546217696,

%T 803491953235264,27889602664055396,821112680030028632,

%U 21279238303065874504,498306336520679626558,10749154284380665611224,216711725342137199240416,4129262403388762742636600

%N Number of ways to place 11n nonattacking kings on a 22 x 2n chessboard.

%H Alex V. Breger, <a href="/A195650/b195650.txt">Table of n, a(n) for n = 1..500</a>

%H Vaclav Kotesovec, <a href="https://oeis.org/wiki/User:Vaclav_Kotesovec">Non-attacking chess pieces</a>

%H Vaclav Kotesovec, <a href="/A195650/a195650.txt">Denominator of the generating function</a>

%H <a href="/index/Rec#order_2321">Index entries for linear recurrences with constant coefficients</a>, order 2321.

%F Recurrence order is 2321.

%Y Column k=11 of A350819.

%Y Cf. A018807, A195655, A195660.

%K nonn

%O 1,1

%A _Vaclav Kotesovec_, Sep 22 2011