A195661 -id:A195661 - cp's OEIS frontend

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

53248, 61892669, 16333065216, 1955475353217, 143422674213726, 7545414941610145, 312546900470579954, 10819171744710664383, 325878859655043000344, 8788579757709800395287, 216711725342137199240416, 4963704194366362387891227, 106899958975789427315593702

Offset: 1

Vaclav Kotesovec, Sep 22 2011

nonn

Alex V. Breger, Table of n, a(n) for n = 1..500
Vaclav Kotesovec, Non-attacking chess pieces
Vaclav Kotesovec, Denominator of the generating function
Index entries for linear recurrences with constant coefficients, order 5672.

Column k=12 of A350819.

Cf. A018807, A195656, A195661.

Recurrence order is 5672.

A195656 Number of ways to place 12n nonattacking kings on a 24 X 2n cylindrical chessboard.

Original entry on oeis.org

53248, 233476, 1257754, 7682812, 51698178, 378088270, 2980927200, 25173962492, 226268016376, 2149806985106, 21437333168798, 222770819826574, 2396574908171782, 26535227773186536, 300870737118178194, 3479000496509382748, 40885324678195409820

Offset: 1

Vaclav Kotesovec, Sep 22 2011

nonn

This cylinder is horizontal: a chessboard where it is supposed that rows 1 and 2n are in contact (number of columns = 24, number of rows = 2n).

Alex V. Breger, Table of n, a(n) for n = 1..500
Max A. Alekseyev, Denominator of the generating function
Artem M. Karavaev, Zealint blog (in Russian)
V. Kotesovec, Non-attacking chess pieces
Vaclav Kotesovec, Generating function
Index entries for linear recurrences with constant coefficients, order 4248.

Cf. A137432, A195653, A195654, A195655, A195651, A195661.

Recurrence order is 4248.

cp's OEIS Frontend

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

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