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A195651
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Number of ways to place 12n nonattacking kings on a 24 x 2n chessboard.
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4
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53248, 61892669, 16333065216, 1955475353217, 143422674213726, 7545414941610145, 312546900470579954, 10819171744710664383, 325878859655043000344, 8788579757709800395287, 216711725342137199240416, 4963704194366362387891227, 106899958975789427315593702
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OFFSET
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1,1
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LINKS
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FORMULA
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Recurrence order is 5672.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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