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Column 1 of square array A136730.
2

%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