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A195652
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Number of ways to place 8n nonattacking kings on a 16 X 2n cylindrical chessboard.
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2
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2304, 9476, 47058, 259372, 1536814, 9643562, 63558566, 437500380, 3130270224, 23174548666, 176740657340, 1382652697282, 11052082053262, 89954475408222, 743275585245898, 6219118726337532, 52583297643941856, 448492643088144992, 3853319870967662784
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OFFSET
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1,1
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COMMENTS
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This cylinder is horizontal: a chessboard where it is supposed that rows 1 and 2n are in contact (number of columns = 16, number of rows = 2n).
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LINKS
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FORMULA
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Recurrence order is 208.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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