A162185 a(0)=3 and a(n+1)=2^a(n).

3, 8, 256, 115792089237316195423570985008687907853269984665640564039457584007913129639936

Offset: 0

Author

Benoit Jubin, Jun 27 2009

Keywords

• nonn

Comments

Initializing at 0, 1, 2 or 4 gives A014221.

Crossrefs

A000079 (powers of 2).

Programs

Mathematica

NestList[2^#&,3,3] (* Harvey P. Dale, Apr 01 2018 *)