A103527 a(0) = 2; a(n+1) = 2^a(n) + a(n).

2, 6, 70, 1180591620717411303494

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