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%I #20 Aug 16 2017 04:24:36
%S 0,0,0,12,461,27004,798271,32668081,959129557,35695709940,
%T 1078854669486,39147687661803,1224448528652016,44252532348552226
%N Number of chess games that end in check (but not checkmate) after exactly n plies.
%H F. Labelle, <a href="http://www.cs.berkeley.edu/~flab/chess/statistics-games.html">Statistics on chess games</a>
%H <a href="/index/Ch#chess">Index entries for sequences related to number of chess games</a>
%Y Cf. A079485, A048987.
%K nonn,hard,fini
%O 0,4
%A _François Labelle_, Jan 12 2004
%E a(11) from _François Labelle_, Jul 25 2004, who thanks Joost de Heer for providing computer time.
%E a(12) from _François Labelle_, Mar 04 2012
%E a(13) from _François Labelle_, Aug 15 2017
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