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Row sums of the irregular triangle A179236.
2

%I #8 Mar 31 2012 13:23:39

%S 1,4,48,744,17640,647280,29116080

%N Row sums of the irregular triangle A179236.

%C The approach used to generate A179235 and A179236 can also be used for A178802 and A049009.

%e A179236 begins

%e 1;

%e 2,2;

%e 6,36,6;

%e 24,192,72,432,24;

%e 120,1200,2400,3600,5400,4800,120;

%e so this sequence begins 1,4,48,...

%Y Cf. A049009, A178802

%K more,nonn

%O 1,2

%A _Alford Arnold_, Jul 04 2010

%E Two more terms from R. J. Mathar, Oct 29 2011