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A070632 (2^(3^n)+1)/3^(n+1). 1
1, 19, 1657009, 9950006745799417075771, 19389268200585836264288587113776883575610248525384021488302948711030121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

Sequence in context: A177818 A269446 A172824 * A234039 A099114 A013810

Adjacent sequences: A070629 A070630 A070631 * A070633 A070634 A070635

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, May 13 2002

EXTENSIONS

One more term from Benoit Cloitre, Nov 01 2002

STATUS

approved

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Last modified January 29 00:02 EST 2023. Contains 359905 sequences. (Running on oeis4.)