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Search: id:A005632
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| A005632 |
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Bishops on a 2n+1 X 2n+1 board (see Robinson paper for details).
(Formerly M3923)
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+0
2
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| 0, 0, 5, 22, 258, 1628, 18052, 145976, 1837272, 18407664, 265312848, 3184567136, 52020223648, 728304073664, 13317701313600, 213083801827200, 4314950946864000, 77669134543011584, 1725980887361498368, 34519618313219995136, 835374767116711506432, 18378244896208168541184
(list; graph; listen)
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OFFSET
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1,3
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REFERENCES
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R. W. Robinson, Counting arrangements of bishops, pp. 198-214 of Combinatorial Mathematics IV (Adelaide 1975), Lect. Notes Math., 560 (1976). [The sequence mu(2k+1).]
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MAPLE
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For Maple program see A005635.
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CROSSREFS
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Sequence in context: A066866 A115657 A066865 this_sequence A002069 A120488 A054415
Adjacent sequences: A005629 A005630 A005631 this_sequence A005633 A005634 A005635
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KEYWORD
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nonn
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AUTHOR
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njas
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EXTENSIONS
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More terms from njas, Sep 28 2006
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