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A035287 Number of ways to place a non-attacking white and black rook on n X n chessboard. +0
7
0, 4, 36, 144, 400, 900, 1764, 3136, 5184, 8100, 12100, 17424, 24336, 33124, 44100, 57600, 73984, 93636, 116964, 144400, 176400, 213444, 256036, 304704, 360000, 422500, 492804, 571536, 659344, 756900, 864900, 984064, 1115136, 1258884 (list; graph; listen)
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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