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A036715 a(n)=number of Gaussian integers z=a+bi satisfying |z|<=n+1/2, a>=0, 0<=b<=a. +0
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1, 3, 5, 8, 13, 17, 23, 29, 36, 45, 53, 63, 72, 84, 96, 107, 122, 137, 152, 167, 182, 201, 219, 238, 257, 279, 300, 321, 345, 367, 393, 418, 442, 469, 498, 527, 556, 585, 617, 647, 681, 713, 747, 782, 816, 853, 888, 927, 966, 1006 (list; graph; listen)
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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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