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A116048 sigma(n) times the n-th prime gives a triangular number. +0
1
5, 7, 15, 96 (list; graph; listen)
OFFSET

1,1

COMMENT

Probably finite.

EXAMPLE

p(96) * sigma(96) = 503 * 252 = T(503).

CROSSREFS

Sequence in context: A076860 A067589 A059613 this_sequence A120282 A132094 A082878

Adjacent sequences: A116045 A116046 A116047 this_sequence A116049 A116050 A116051

KEYWORD

nonn

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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