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Row sums of triangle A123305.
7

%I #3 Mar 30 2012 18:36:59

%S 1,2,5,18,93,650,5825,64486,858525,13460814,244360845,5063982498,

%T 118379934453,3090176655290,89294118056273,2834776197278278,

%U 98222473389128821,3693056479700344798,149906848766779722109

%N Row sums of triangle A123305.

%C Triangle T=A123305 is defined by: (column k of T) = (k+1)*(column k of T^2) shifted to have an initial '1'.

%Y Cf. A123305; A123306, A123307, A123308, A123309, A123311.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Sep 25 2006