A178802 Multiply, cell by cell, sequence A048996 by A178801.

1, 1, 2, 2, 6, 12, 6, 24, 48, 24, 72, 24, 120, 240, 240, 360, 360, 480, 120, 720, 1440, 1440, 720, 2160, 4320, 720, 2880, 4320, 3600, 720, 5040, 10080, 10080, 10080, 15120, 30240, 15120, 15120, 20160, 60480, 20160, 25200, 50400, 30240, 5040, 40320, 80640, 80640, 80640, 40320, 120960

Offset: 0

Author

Alford Arnold, Jun 15 2010

Keywords

• easy
• nonn
• tabf

Examples

			A048996 begins 1,1,1,1,1,2,1, 1, 2, 1, 3, 1 ...
A178801 begins 1,1,2,2,6,6,6,24,24,24,24,24,...
therefore
a(n)    begins 1,1,2,2,6,12,6,...
with row sums 1, 1, 4, 24, 192, 1920, 23040, ... .
Triangle begins:
    1;
    1;
    2,    2;
    6,   12,    6;
   24,   48,   24,  72,   24;
  120,  240,  240, 360,  360,  480, 120;
  720, 1440, 1440, 720, 2160, 4320, 720, 2880, 4320, 3600, 720;
  ...
		

Crossrefs

Cf. A000041, A000142, A048996, A178801, A002866 (row sums).

Formula

T(n,k) = A048996(n,k) * A178801(n,k) = A048996(n,k) * n!.