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%I #1 Feb 20 2005 03:00:00
%S 0,1,37,1172,62814,5488059,710771275,127661752406,30341995265036,
%T 9215499383109573,3481204991988351553,1600596371590399671784,
%U 880013938000716625811210,570091859313674511164175135
%N A bisection of A002807.
%Y Cf. A002807.
%K nonn
%O 0,3
%A Lambert Klasen (Lambert.Klasen(AT)gmx.net), Nov 16 2004