A108076 Triangle in A071946 with rows reversed.

1, 1, 1, 2, 2, 1, 6, 6, 4, 1, 19, 19, 13, 6, 1, 63, 63, 44, 23, 8, 1, 219, 219, 156, 87, 37, 10, 1, 787, 787, 568, 330, 155, 55, 12, 1, 2897, 2897, 2110, 1260, 629, 255, 77, 14, 1, 10869, 10869, 7972, 4856, 2527, 1111, 395, 103, 16, 1, 41414, 41414, 30545, 18889, 10130, 4706, 1849, 583, 133, 18, 1

Offset: 0

Author

N. J. A. Sloane, Jun 05 2005

Keywords

• nonn
• tabl
• easy

Examples

			Triangle T(n,k) begins:
   1;
   1,  1;
   2,  2,  1;
   6,  6,  4, 1;
  19, 19, 13, 6, 1;
  ...
		

Links

• Alois P. Heinz, Rows n = 0..150, flattened

Crossrefs

Cf. A071946.

Formula

T(n,k) = A071946(n,n-k). - David Wasserman, May 07 2008

Extensions

More terms from R. J. Mathar, Aug 13 2007

More terms from David Wasserman, May 07 2008