OFFSET
0,7
FORMULA
T(n, k) =T(n, k-1)+T(n-1, k) =2T(n, k-1)+T(n, k-2)+C(n+k-3, k) for n>2.
EXAMPLE
Rows start (0,1,0,2,4,10,...), (0,1,1,3,7,17,...), (0,1,2,5,12,29,...) etc.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Henry Bottomley, Jul 09 2001
STATUS
approved