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Search: id:A000693
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| A000693 |
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Related to population of numbers of form x^2 + y^2.
(Formerly M0767 N0292)
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+0
1
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| 1, 2, 3, 6, 10, 19, 35, 62, 118, 219, 414, 783, 1497, 2860, 5503, 10593, 20471, 39637, 76918, 149501, 291115, 567581, 1108022, 2165621, 4237085, 8297727
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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D. Shanks, The second-order term in the asymptotic expansion of B(x), Math. Comp., 18 (1964), 75-86.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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Index entries for sequences related to populations of quadratic forms
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CROSSREFS
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Sequence in context: A165920 A026021 A123916 this_sequence A054178 A005833 A001678
Adjacent sequences: A000690 A000691 A000692 this_sequence A000694 A000695 A000696
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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