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

1,2

CROSSREFS

Sequence in context: A078353 A177818 A172824 * A099114 A013810 A172875

Adjacent sequences:  A070629 A070630 A070631 * A070633 A070634 A070635

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), May 13 2002

EXTENSIONS

One more term from Benoit Cloitre, Nov 01 2002

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.