A115087 - OEIS

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A115087

Column 1 of triangle A115085.

%I #3 Mar 30 2012 18:36:55

%S 1,2,5,21,102,579,3601,24426,176858,1359906,10996740,93136545,

%T 821734072,7529402477,71404315785,699210393923,7053151126260,

%U 73158494370744,778922147312076,8500606925203992,94961268583354364,1084632255967292304

%N Column 1 of triangle A115085.

%Y Cf. A115085, A115086 (column 0), A115088 (column 2), A115089 (row sums); A115082.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Jan 13 2006