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 A195655 Number of ways to place 11n nonattacking kings on a 22 X 2n cylindrical chessboard 4
 24576, 106500, 565512, 3392964, 22327496, 158877948, 1212120160, 9849731140, 84719304384, 766319864440, 7241521734020, 71028444904044, 718816489322444, 7466044767879028, 79230397598482712, 855840660674700612, 9381236750764316676, 104090420921618696952 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS This cylinder is horizontal: a chessboard where it is supposed that the rows 1 and 2n are in contact (number of columns = 22, number of rows = 2n) LINKS 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 FORMULA Recurrence order is 1829 CROSSREFS Cf. A137432, A195653, A195654, A195650, A195660 Sequence in context: A083621 A083622 A224423 * A203983 A188791 A195650 Adjacent sequences:  A195652 A195653 A195654 * A195656 A195657 A195658 KEYWORD nonn AUTHOR Vaclav Kotesovec, Sep 22 2011 STATUS approved

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