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A014817
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Sum( floor( k^2/n ), k=1..n).
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1
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1, 2, 4, 7, 9, 13, 18, 24, 29, 34, 42, 51, 57, 67, 78, 90, 97, 110, 122, 137, 149, 163, 180, 198, 211, 226, 246, 265, 281, 303, 324, 348, 365, 386, 412, 439, 457, 483, 512, 540, 561, 590, 618, 651, 679, 709, 742
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OFFSET
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1,2
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REFERENCES
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M. Eichler and D. Zagier, The Theory of Jacobi Forms, Birkhauser, 1985, p. 103.
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LINKS
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Table of n, a(n) for n=1..47.
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MAPLE
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f := m->sum( floor((k)^2/m), k=0..m);
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PROG
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(PARI) A014817(n)=sum(k=1, n, k^2\n) \\ - M. F. Hasler, Dec 11 2010
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CROSSREFS
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Cf. A177041.
Sequence in context: A183873 A036386 A099847 * A139444 A090893 A100486
Adjacent sequences: A014814 A014815 A014816 * A014818 A014819 A014820
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane.
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STATUS
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approved
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