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A bisection of A222803.
1

%I #5 Mar 13 2013 11:53:09

%S 0,11,-13,29,109,-67,6571,-415,162573,-23663513,10230003,-564409,

%T 854671223,-3380281,66346781597,-2525207721201139,2050779017959603,

%U -513555084749,258395660795799074117,-16860247921174939,32300672599263555985061,-5369365617089977921391189

%N A bisection of A222803.

%Y Cf. A222803-A222806.

%K sign,frac

%O 0,2

%A _N. J. A. Sloane_, Mar 10 2013

%E More terms from _Alois P. Heinz_, Mar 13 2013