Search: id:A002465
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%I A002465 M3616 N1467
%S A002465 1,4,26,260,3368,53744,1022320,22522960,565532992,15915225216
%N A002465 Number of placements of 2n-2 nonattacking bishops on an n X n board.
%D A002465 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002465 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002465 W. Ahrens, Mathematische Unterhaltungen und Spiele. Teubner, Leipzig, 
               Vol. 1, 3rd ed., 1921; Vol. 2, 2nd ed., 1918. See Vol. 1, p. 271.
%H A002465 W. Ahrens, <a href="http://gallica.bnf.fr/scripts/ConsultationTout.exe?E=0&O=N099446">
               Mathematische Unterhaltungen und Spiele</a>, Leipzig: B. G. Teubner, 
               1901.
%H A002465 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               BishopsProblem.html">Link to a section of The World of Mathematics.</
               a>
%H A002465 D. Atkinson, <a href="http://www.cse.scu.edu/~atkinson/teaching/sp02/
               171/projects/2/solutions/Queens.cpp">Solution to the n-Bishops problem 
               of trying to place n identical bishops on an n x n chessboard.</a>
%Y A002465 Sequence in context: A056786 A006056 A098620 this_sequence A079473 A145164 
               A113078
%Y A002465 Adjacent sequences: A002462 A002463 A002464 this_sequence A002466 A002467 
               A002468
%K A002465 nonn,nice,more
%O A002465 1,2
%A A002465 N. J. A. Sloane (njas(AT)research.att.com).
%E A002465 More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 20 2006
%E A002465 Definition corrected. - Max Alekseyev (maxale(AT)gmail.com), Oct 18 2008

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