OFFSET
0,2
FORMULA
Each row is partial sum of preceding row, i.e. T(n, k)=T(n-1, k)+T(n, k-1) with T(0, k)=(k+1)*(-1)^k and T(n, 0)=1.
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Henry Bottomley, Jun 25 2001
STATUS
approved