%I #4 Mar 30 2012 18:38:20
%S 1,0,1,0,1,1,0,1,0,0,1,1,1,0,1,1,0,1,0,1,0,0,0,1,0,1,0,1,0,0,0,0,0,1,
%T 1,1,1,1,0,0,1,1,1,0,0,1,0,1,0,0,0,1,0,1,0,1,1,0,1,0,0,0,0,0,1,0,0,0,
%U 0,1,0,1,0,0,0,0,0,0,0,1,1,1,1,0,1,0,0,0,1,0,1,1,1,0,0,1,1,0,1,0,1,1,0,1,0
%N The largest Armstrong number 115132219018763992565095597973971522401 written in base 2.
%C 115132219018763992565095597973971522401 = 1010110100111011...100001
%Y Cf. A005188.
%K nonn,base,less
%O 127,1
%A _Vincenzo Librandi_, Apr 15 2010
%E Digits and offset corrected by _R. J. Mathar_, Jul 13 2010