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A102388
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Number of ways of placing n nonattacking Queens of the Night on an n X n board.
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10
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1, 0, 0, 0, 0, 0, 0, 0, 0, 4, 44, 6, 78, 8, 16, 18, 234, 124, 468, 516, 882, 2092, 7068, 22794, 85456, 275732, 974048, 3698242, 14120996, 59531852, 252272512, 1163430462, 5229335374
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OFFSET
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1,10
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COMMENTS
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A Queen of the Night can move like a Queen or a Nightrider, which is a rider along straight lines of Knight moves.
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LINKS
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PROG
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See C++ code on website.
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CROSSREFS
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KEYWORD
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nonn,hard,more,nice
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AUTHOR
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Stefan Wernli, Peter Syski (swernli(AT)fas.harvard.edu), Jan 07 2005
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EXTENSIONS
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Terms a(29)-a(32) from Wolfram Schubert, Jul 24 2011
Term a(33) from Wolfram Schubert, May 27 2012
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STATUS
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approved
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