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A175984 a(1) = 1, for n >= 2: a(n) = (a(n-1)+1)^(n-1) + 1. 0
1, 3, 17, 5833, 1158419072229137, 2086068166214649286321811524278555292919121929640327670690020838966185723169 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The next term -- a(7) -- has 452 digits. - Harvey P. Dale, Jan 18 2013

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

For n = 4: a(4) = (17+1)^3 + 1 = 5833.

MATHEMATICA

nxt[{n_, a_}]:={n+1, (a+1)^n+1}; Transpose[NestList[nxt, {1, 1}, 5]][[2]] (* Harvey P. Dale, Jan 18 2013 *)

CROSSREFS

Sequence in context: A217957 A252730 A225728 * A051710 A215913 A162713

Adjacent sequences:  A175981 A175982 A175983 * A175985 A175986 A175987

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Nov 03 2010

STATUS

approved

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Last modified June 5 03:12 EDT 2020. Contains 334828 sequences. (Running on oeis4.)