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A018836 Number of squares on infinite chess-board at <= n knight's moves from a fixed square.. +0
7
1, 9, 41, 109, 205, 325, 473, 649, 853, 1085, 1345, 1633, 1949, 2293, 2665, 3065, 3493, 3949, 4433, 4945, 5485, 6053, 6649, 7273, 7925, 8605, 9313, 10049, 10813, 11605, 12425, 13273, 14149, 15053, 15985, 16945, 17933, 18949, 19993, 21065, 22165 (list; graph; listen)
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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