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Duplicate of A072868.
0

%I #19 Jul 03 2012 10:24:35

%S 4,8,32,128,8192,131072,524288,2147483648,2305843009213693952,

%T 618970019642690137449562112,162259276829213363391578010288128,

%U 170141183460469231731687303715884105728

%N Duplicate of A072868.

%K dead

%O 1,1

%A _Zak Seidov_, Oct 11 2002