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Products of successive blocks of 2^n terms of A245180.
1

%I #3 Jul 21 2014 01:14:37

%S 1,3,336,80510976,4632013631072036192256,

%T 9259244309598002961669050091730162686136971834955923456

%N Products of successive blocks of 2^n terms of A245180.

%e a(2) = 1*8*3*14 = 336.

%Y Cf. A245180.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Jul 21 2014