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Search: id:A077456
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A077456 sigma(n^5,5)/sigma(n^5,1). +0
1
1, 549791, 2337334621, 567767102431, 76323251878121, 1285045538614211, 68398022066406901, 595065340418751455, 8138648440293876241, 41961836973324022711, 611595047235520833101, 1327061705176829563651 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n)=A001160(n^5)/A000203(n^5)

PROGRAM

(PARI) a(n)=sumdiv(n^5, d, d^5)/sigma(n^5)

CROSSREFS

Cf. A057660.

Sequence in context: A082813 A043667 A126722 this_sequence A124514 A100416 A151878

Adjacent sequences: A077453 A077454 A077455 this_sequence A077457 A077458 A077459

KEYWORD

nonn,mult

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 30 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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