OFFSET
1,4
EXAMPLE
First few rows of the triangle are:
1;
1, 1;
2, 0, 1;
2, 2, 0, 1;
3, 0, 1, 0, 1;
3, 3, 1, 1, 0, 1;
4, 0, 1, 0, 1, 0, 1;
4, 4, 1, 2, 0, 1, 0, 1;
...
MAPLE
A128187 := proc(n, k)
end proc: # R. J. Mathar, Apr 16 2013
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Mar 07 2007
STATUS
approved