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A057901 3^prime. 4
9, 27, 243, 2187, 177147, 1594323, 129140163, 1162261467, 94143178827, 68630377364883, 617673396283947, 450283905890997363, 36472996377170786403, 328256967394537077627, 26588814358957503287787 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n)=3^A000040(n)

EXAMPLE

a(4)=3^7=2187

MATHEMATICA

3^Prime@Range@30 (* From Vladimir Joseph Stephan Orlovsky, Apr 11 2011 *)

CROSSREFS

Cf. A034785, A053810, A057902.

Sequence in context: A053762 A126322 A020279 * A020254 A124396 A020281

Adjacent sequences:  A057898 A057899 A057900 * A057902 A057903 A057904

KEYWORD

nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Sep 29 2000

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Last modified February 17 23:08 EST 2012. Contains 206085 sequences.