OFFSET
0,9
COMMENTS
FORMULA
Number triangle T(n, k)=binomial(floor((2n-k)/2)+n-k, 2n-2k)
EXAMPLE
Rows begin
1;
1,1;
1,1,1;
1,1,3,1;
1,1,5,3,1;
1,1,7,5,6,1;
CROSSREFS
KEYWORD
AUTHOR
Paul Barry, Jun 22 2005
STATUS
approved