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A005633
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Bishops on an n X n board (see Robinson paper for details).
(Formerly M0376)
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1
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0, 1, 0, 2, 2, 8, 14, 36, 112, 216, 928, 1440, 8616, 11520, 87864, 100800, 997952, 1008000, 12427904, 10886400, 169435936, 130636800, 2501216992, 1676505600, 39837528576, 23471078400, 679494214656, 348713164800, 12370158205568, 5579410636800, 239109033342848
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,4
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REFERENCES
| R. W. Robinson, Counting arrangements of bishops, pp. 198-214 of Combinatorial Mathematics IV (Adelaide 1975), Lect. Notes Math., 560 (1976). [The sequence mu(n).]
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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MAPLE
| For Maple program see A005635.
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CROSSREFS
| Sequence in context: A002785 A045686 A045677 * A026585 A098273 A192305
Adjacent sequences: A005630 A005631 A005632 * A005634 A005635 A005636
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from N. J. A. Sloane (njas(AT)research.att.com), Sep 28 2006
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