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%I #5 Dec 05 2013 19:54:48
%S 2,4,8,128,1024,2048
%N Powers of 2 with each digit a power of 2 (only digits 0,1,2,4,8 are used).
%C Presumably a(6) is the last term. If a(7) exists it is greater than 2^1000000. - _Charles R Greathouse IV_, Apr 09 2012
%e a(3) = 128 = 2^7, each digit of 128 is a power of 2.
%Y Cf. A130696.
%K nonn,base,fini,full
%O 1,1
%A _Amarnath Murthy_, Apr 27 2001
%E Next term > 2^105 - Larry Reeves (larryr(AT)acm.org), May 09 2001
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