1,1

Presumably a(6) is the last term. If a(7) exists it is greater than 2^1000000. - Charles R Greathouse IV, Apr 09 2012

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

a(3) = 128 = 2^7, each digit of 128 is a power of 2.

Cf. A130696.

Sequence in context: A018777 A130693 A286523 * A200758 A110746 A084010

Adjacent sequences: A060812 A060813 A060814 * A060816 A060817 A060818

nonn,base,fini,full

Amarnath Murthy, Apr 27 2001

Next term > 2^105 - Larry Reeves (larryr(AT)acm.org), May 09 2001

approved