%I #2 Mar 30 2012 18:37:09
%S 1,2,5,23,175,1935,28432,523290,11587072,299942890,8886126540,
%T 296438370794,10993731095695,448604373236731,19971257117211555,
%U 963142501803505255,50015707804752012825,2782336529985704607295
%N Column 1 of square array A136730.
%Y Cf. A136730; A101482, A136732.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Jan 19 2008