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A098116 a(n) = 3^(p-1) + (3^p - 1) where p is the n-th prime. 0
11, 35, 323, 2915, 236195, 2125763, 172186883, 1549681955, 125524238435, 91507169819843, 823564528378595, 600378541187996483, 48630661836227715203, 437675956526049436835, 35451752478610004383715 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

a(1) = 3^(2-1) + 3^2 - 1 = 11.

MATHEMATICA

Table[3^(Prime[n] - 1) + (3^Prime[n] - 1), {n, 1, 20}] (* Stefan Steinerberger, Feb 28 2006 *)

CROSSREFS

Cf. A097743.

Sequence in context: A199817 A216034 A224790 * A217336 A123749 A159493

Adjacent sequences:  A098113 A098114 A098115 * A098117 A098118 A098119

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Sep 23 2004

EXTENSIONS

More terms from Stefan Steinerberger, Feb 28 2006

STATUS

approved

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Last modified July 23 16:14 EDT 2019. Contains 325258 sequences. (Running on oeis4.)