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A007433 Inverse Moebius transform applied twice to squares.
(Formerly M4089)
+0
2
1, 6, 11, 27, 27, 66, 51, 112, 102, 162, 123, 297, 171, 306, 297, 453, 291, 612, 363, 729, 561, 738, 531, 1232, 678, 1026, 922, 1377, 843, 1782, 963, 1818, 1353, 1746, 1377, 2754, 1371, 55606, 1881, 3024, 1683 (list; graph; listen)
OFFSET

1,2

LINKS

N. J. A. Sloane, Transforms

FORMULA

a(n) = Sum_{d|n} d^2*tau(n/d). - Vladeta Jovovic (vladeta(AT)Eunet.yu), Jul 31 2002

Equals A134577 * [1, 2, 3,...]. - Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 02 2007

CROSSREFS

Cf. A134577.

Adjacent sequences: A007430 A007431 A007432 this_sequence A007434 A007435 A007436

Sequence in context: A061203 A140359 A136979 this_sequence A061725 A105708 A087737

KEYWORD

nonn

AUTHOR

njas

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.


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