OFFSET
0,6
COMMENTS
(a,b)+(x,y)=(a+x,b+y); unit is (0,0).
LINKS
N. J. A. Sloane, Transforms
FORMULA
Euler transform of table whose g.f. is x/((1-x)*(1-y)).
EXAMPLE
1 0 0 0 0 ...
1 1 1 1 1 ...
2 2 3 3 4 ...
3 4 6 8 10 ...
5 7 12 16 23 ...
(3,2)=(2,2)+(1,0)=(2,1)+(1,1)=(2,0)+(1,2)=(1,2)+(1,0)+(1,0)=(1,1)+(1,1)+(1,0), so a(3,2)=6.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Christian G. Bower, Jun 03 2005
STATUS
approved