A179235 Row sums of the irregular triangle A179236.

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

Offset: 1

Author

Alford Arnold, Jul 04 2010

Keywords

• more
• nonn

Comments

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

Examples

			A179236 begins
1;
2,2;
6,36,6;
24,192,72,432,24;
120,1200,2400,3600,5400,4800,120;
so this sequence begins 1,4,48,...
		

Crossrefs

Cf. A049009, A178802

Extensions

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