A195660 -id:A195660 - cp's OEIS frontend

A195650 Number of ways to place 11n nonattacking kings on a 22 x 2n chessboard.

24576, 18174084, 3449705600, 317076250136, 18589546217696, 803491953235264, 27889602664055396, 821112680030028632, 21279238303065874504, 498306336520679626558, 10749154284380665611224, 216711725342137199240416, 4129262403388762742636600

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 2321.

Column k=11 of A350819.

Cf. A018807, A195655, A195660.

Recurrence order is 2321.

A195655 Number of ways to place 11n nonattacking kings on a 22 X 2n cylindrical chessboard.

Original entry on oeis.org

24576, 106500, 565512, 3392964, 22327496, 158877948, 1212120160, 9849731140, 84719304384, 766319864440, 7241521734020, 71028444904044, 718816489322444, 7466044767879028, 79230397598482712, 855840660674700612, 9381236750764316676, 104090420921618696952

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 = 22, number of rows = 2n).

Alex V. Breger, Table of n, a(n) for n = 1..500
Artem M. Karavaev, Zealint blog (in Russian)
V. Kotesovec, Non-attacking chess pieces
Max A. Alekseyev, Denominator of the generating function
Vaclav Kotesovec, Generating function
Index entries for linear recurrences with constant coefficients, order 1829.

Cf. A137432, A195653, A195654, A195650, A195660.

Recurrence order is 1829.

cp's OEIS Frontend

A195650 Number of ways to place 11n nonattacking kings on a 22 x 2n chessboard.

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