OFFSET
0,4
LINKS
Alois P. Heinz, Rows n = 0..150, flattened
FORMULA
T(n,k) = A071946(n,n-k). - David Wasserman, May 07 2008
EXAMPLE
Triangle T(n,k) begins:
1;
1, 1;
2, 2, 1;
6, 6, 4, 1;
19, 19, 13, 6, 1;
...
CROSSREFS
KEYWORD
AUTHOR
N. J. A. Sloane, Jun 05 2005
EXTENSIONS
More terms from R. J. Mathar, Aug 13 2007
More terms from David Wasserman, May 07 2008
STATUS
approved