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A218271 a(n) = a(n-1)^a(n-2) + a(n-3) with a(0) = a(1) = a(2) = 1. 3
1, 1, 1, 2, 3, 10, 1002, 1020180963368077455371525121027 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

a(8) has over 30000 digits.

LINKS

Table of n, a(n) for n=0..7.

EXAMPLE

a(3) = a(2)^a(1) + a(0) = 1^1+1 = 1+1 = 2.

MATHEMATICA

t = {1, 1, 1}; Do[AppendTo[t, t[[-1]]^t[[-2]] + t[[-3]]], {5}]; t (* T. D. Noe, Oct 29 2012 *)

CROSSREFS

Cf. A184163, A218270, A218122.

Sequence in context: A290638 A270442 A184163 * A128125 A070239 A002443

Adjacent sequences:  A218268 A218269 A218270 * A218272 A218273 A218274

KEYWORD

nonn

AUTHOR

Nico Brown, Oct 24 2012

STATUS

approved

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Last modified November 14 12:32 EST 2019. Contains 329114 sequences. (Running on oeis4.)