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A065018
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Sum sigma(d)^2; d|n.
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1
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1, 10, 17, 59, 37, 170, 65, 284, 186, 370, 145, 1003, 197, 650, 629, 1245, 325, 1860, 401, 2183, 1105, 1450, 577, 4828, 998, 1970, 1786, 3835, 901, 6290, 1025, 5214, 2465, 3250, 2405, 10974, 1445, 4010, 3349, 10508, 1765, 11050, 1937, 8555, 6882
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Dirichlet convolution of A072861 and A000012. Dirichlet g.f. zeta^2(s)*zeta^2(s-1)*zeta(s-2)/zeta(2s-2). - R. J. Mathar, Feb 03 2011
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,1000
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PROG
| (PARI) { for (n=1, 1000, a=sumdiv(n, d, sigma(d)^2); write("b065018.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 03 2009]
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CROSSREFS
| Cf. A029939, A062367.
Sequence in context: A019991 A164285 A069546 * A039336 A043159 A043939
Adjacent sequences: A065015 A065016 A065017 * A065019 A065020 A065021
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KEYWORD
| mult,nonn
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AUTHOR
| Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 19 2001
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