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A036714
a(n)=number of Gaussian integers z=a+bi satisfying n-1/2<|z|<=n+1/2, a>=0, 0<=b<a.
0
0, 1, 2, 2, 4, 4, 5, 5, 6, 9, 7, 9, 9, 11, 11, 11, 14, 14, 14, 15, 14, 18, 18, 18, 18, 21, 21, 20, 23, 22, 25, 24, 24, 26, 28, 28, 29, 28, 31, 30, 33, 31, 33, 35, 33, 36, 35, 38, 38, 39, 40, 40, 43, 40, 42, 44, 43, 47, 42, 49, 48
OFFSET
0,3
CROSSREFS
Sequence in context: A347660 A116648 A152850 * A319398 A260734 A265428
KEYWORD
nonn
STATUS
approved