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 A194496 Number of ways to arrange 6 nonattacking queens on the lower triangle of an nXn board 1
 0, 0, 0, 0, 0, 0, 0, 0, 64, 1644, 19306, 146718, 820218, 3670288, 13846830, 45661556, 134896662, 364019248, 909633276, 2129318414, 4709083054, 9912162234, 19970298696, 38707229282, 72458290216, 131476840106, 231906957348 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 COMMENTS Column 6 of A194498 LINKS R. H. Hardin, Table of n, a(n) for n = 1..35 EXAMPLE Some solutions for 9X9 ..0..................0..................0..................0 ..0.1................0.0................1.0................0.0 ..0.0.0..............1.0.0..............0.0.0..............0.1.0 ..1.0.0.0............0.0.0.0............0.0.0.0............0.0.0.0 ..0.0.0.0.0..........0.0.0.0.1..........0.0.0.0.1..........1.0.0.0.0 ..0.0.0.1.0.0........0.0.1.0.0.0........0.1.0.0.0.0........0.0.1.0.0.0 ..0.0.0.0.0.1.0......0.0.0.0.0.1.0......0.0.0.1.0.0.0......0.0.0.0.1.0.0 ..0.0.1.0.0.0.0.0....0.0.0.1.0.0.0.0....0.0.0.0.0.1.0.0....0.0.0.0.0.0.0.1 ..0.0.0.0.1.0.0.0.0..0.1.0.0.0.0.0.0.0..0.0.1.0.0.0.0.0.0..0.0.0.1.0.0.0.0.0 CROSSREFS Sequence in context: A224205 A162994 A225981 * A195807 A017115 A005609 Adjacent sequences:  A194493 A194494 A194495 * A194497 A194498 A194499 KEYWORD nonn AUTHOR R. H. Hardin Aug 26 2011 STATUS approved

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