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A098773 p*2^p + 1 where p is prime. 0
9, 25, 161, 897, 22529, 106497, 2228225, 9961473, 192937985, 15569256449, 66571993089, 5085241278465, 90159953477633, 378231999954945, 6614661952700417, 477381560501272577, 34011184385901985793 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

If p=3, then 3*2^3 + 1 = 25.

MATHEMATICA

Table[p = Prime[n]; p*2^p + 1, {n, 17}] (* Robert G. Wilson v, Nov 04 2004 *)

CROSSREFS

Cf. A098640.

Sequence in context: A146365 A146373 A084605 * A089998 A014728 A223646

Adjacent sequences:  A098770 A098771 A098772 * A098774 A098775 A098776

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Oct 30 2004

EXTENSIONS

More terms from Robert G. Wilson v, Nov 04 2004

STATUS

approved

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Last modified April 20 23:46 EDT 2021. Contains 343143 sequences. (Running on oeis4.)