%I #2 Mar 30 2012 17:23:19
%S 2,1,7,120539
%N First differences of [0, A111788], the sequence that begins with 0 and continues with the terms of A111788.
%Y Cf. A111788, A111790.
%K nonn
%O 0,1
%A _Jon Awbrey_, Aug 17 2005