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%I #2 Mar 30 2012 18:37:08
%S 1,2,8,47,356,3252,34448,412546,5488222,80066096,1268400628,
%T 21651578958,395749634342,7705289481276,159106051976460,
%U 3471184678351602,79751883928130922,1924103020594546192,48622055377338993264
%N Column 1 of triangle A135902.
%Y Cf. A135902; A135903, A135905.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Dec 18 2007
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