A080808 - OEIS

%I #7 Dec 05 2013 19:56:00

%S 4,49,4096,3748096,4932784804069376,

%T 44934932784038660743085694310776796224

%N a(1) = 4, a(n)= smallest n-th power obtained by inserting digits anywhere in a(n-1).

%C a(7) > 10^49. A simple heuristic argument suggests that a(7) has > .999 probability of having between 88 and 99 digits. - _David Wasserman_, Dec 28 2007

%Y Cf. A080514, A080515, A080516, A080807, A080809, A080810, A080811, A080812, A097661.

%K base,more,nonn

%O 1,1

%A _Amarnath Murthy_, Mar 22 2003

%E More terms from _Ray G. Opao_, Sep 20 2004