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A059743 Number of points of norm^2 <= n^2 in the square lattice that are visible from the origin. +0
1
1, 5, 9, 17, 33, 49, 73, 89, 121, 153, 193, 225, 265, 313, 385, 441, 481, 545, 617, 673, 769, 833, 929, 1001, 1113, 1193, 1281, 1385, 1489, 1585, 1705, 1817, 1961, 2073, 2225, 2345, 2481, 2601, 2753, 2913, 3065, 3185, 3361, 3481, 3697, 3857, 4017, 4177 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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