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A014785 Sum [ k^2/n ], k=0..n. 0
1, 3, 6, 9, 13, 18, 24, 30, 35, 43, 52, 61, 69, 80, 92, 102, 113, 125, 140, 155, 169, 184, 202, 220, 231, 251, 270, 291, 309, 332, 354, 376, 397, 419, 446, 469, 493, 520, 550, 578, 601, 631, 660, 693, 721, 754, 788 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

M. Eichler and D. Zagier, The Theory of Jacobi Forms, Birkhauser, 1985, p. 103.

MAPLE

f := n->sum( ceil(k^2/n), k=0..n);

CROSSREFS

Sequence in context: A143975 A005488 A048202 * A132352 A033436 A002578

Adjacent sequences:  A014782 A014783 A014784 * A014786 A014787 A014788

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 14:07 EST 2012. Contains 205623 sequences.