%I #3 Nov 24 2015 19:41:43
%S -2,-6,4,-54,28,132,124,-4470,444,5964,2044,89028,8188,248172,9784,
%T -30229110,131068,7314348,524284,361466316,174136,354424812,8388604,
%U 54096506052,16344060,12926541804,46427196,1198466847468,536870908,216322653432
%N A260685(4n).
%Y Cf. A260685.
%K sign
%O 1,1
%A _N. J. A. Sloane_, Nov 24 2015
|