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A094003 a(1) = 2, a(n+1) = {a(n)^(n+1)-1}/{a(n)-1}. 1
2, 3, 13, 2380, 32098914298781, 34076243757937210559857502330309024747435410425446137941014310689706 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

a(7) has 406 digits and is too large to include.

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,7

MAPLE

a[1]:=2: for n from 2 to 7 do a[n]:=(a[n-1]^n-1)/(a[n-1]-1) od:seq(a[n], n=1..7); (Deutsch)

PROG

(PARI) { a=2; write("b094003.txt", "1 2"); for (n=2, 7, a=(a^n-1)/(a-1); write("b094003.txt", n, " ", a); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 16 2009]

CROSSREFS

Sequence in context: A132484 A160858 A062648 * A119987 A093553 A027673

Adjacent sequences:  A094000 A094001 A094002 * A094004 A094005 A094006

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 29 2004

EXTENSIONS

More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Apr 17 2005

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Last modified February 17 23:43 EST 2012. Contains 206085 sequences.