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A195651 Number of ways to place 12n nonattacking kings on a 24 x 2n chessboard. 4

%I #16 Mar 26 2023 16:04:43

%S 53248,61892669,16333065216,1955475353217,143422674213726,

%T 7545414941610145,312546900470579954,10819171744710664383,

%U 325878859655043000344,8788579757709800395287,216711725342137199240416,4963704194366362387891227,106899958975789427315593702

%N Number of ways to place 12n nonattacking kings on a 24 x 2n chessboard.

%H Alex V. Breger, <a href="/A195651/b195651.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="/A195651/a195651.txt">Denominator of the generating function</a>

%F Recurrence order is 5672.

%Y Column k=12 of A350819.

%Y Cf. A018807, A195656, A195661.

%K nonn

%O 1,1

%A _Vaclav Kotesovec_, Sep 22 2011

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Last modified April 18 15:16 EDT 2024. Contains 371780 sequences. (Running on oeis4.)