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

1,2

EXAMPLE

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

CROSSREFS

Cf. A084122, A115890, A115894.

Sequence in context: A082973 A187604 A082815 * A057678 A090071 A139062

Adjacent sequences:  A115890 A115891 A115892 * A115894 A115895 A115896

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.