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%I #3 Mar 30 2012 18:36:40
%S 1,2,4,13,39,159,657,3192,16935,98296,631531,4320963,32517883,
%T 257323288,2216360166,19945970812,193524780624,1952830925615,
%U 21070751003175,235689971665480,2800003524200187,34386283795145455,445955787460382981
%N Central terms of triangle A093628, in which the diagonals are equal to the Euler transform of the rows.
%C These are the central terms of the even-indexed rows of triangle A093628.
%Y Cf. A093628, A093629.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Apr 06 2004