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A115893 Numbers n such that sigma(n) times the n-th prime is a palindrome. +0
2
1, 2, 5, 4813, 47619 (list; graph; listen)
OFFSET

1,2

EXAMPLE

sigma(47619)*p(47619)=82992*580477=48174947184.

CROSSREFS

Cf. A084122, A115890, A115894.

Adjacent sequences: A115890 A115891 A115892 this_sequence A115894 A115895 A115896

Sequence in context: A079014 A082973 A082815 this_sequence A057678 A090071 A139062

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006

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Last modified October 13 17:46 EDT 2008. Contains 145008 sequences.


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