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A103527 a(0) = 2; a(n+1) = 2^a(n) + a(n). 0
2, 6, 70, 1180591620717411303494 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..3.

CROSSREFS

Sequence in context: A037293 A129785 A000896 * A239543 A180982 A195690

Adjacent sequences:  A103524 A103525 A103526 * A103528 A103529 A103530

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 21 2005

EXTENSIONS

The next term is too large to include.

STATUS

approved

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Last modified February 28 06:55 EST 2020. Contains 332321 sequences. (Running on oeis4.)