OFFSET
0,22
EXAMPLE
Series ends ... + 2*x^6 + 2*x^5*y + 3*x^4*y^2 + 3*x^3*y^3 + 3*x^2*y^4 + 2*x*y^5 + 2*y^6 + x^5 + x^4*y + x^3*y^2 + x^2*y^3 + x*y^4 + y^5 + x^4 + x^3*y + x^2*y^2 + x*y^3 + y^4 + x^3 + x^2*y + x*y^2 + y^3 + 1.
[1], [0, 0], [0, 0, 0], [1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1], [2, 2, 3, 3, 3, 2, 2], [2, 3, 4, 5, 5, 4, 3, 2], [3, 4, 6, 7, 8, 7, 6, 4, 3], ...
CROSSREFS
KEYWORD
AUTHOR
Vladeta Jovovic, Mar 23 2001
STATUS
approved