OFFSET
1,2
COMMENTS
Row sums A033453: (1, 5, 18, 63, 221, 776, 2725,...); the shifted right border. Sum of row n terms = rightmost term of next row.
FORMULA
EXAMPLE
First few rows of the triangle =
1;
4, 1;
9, 4, 5;
16, 9, 20, 18;
25, 16, 45, 72, 63;
36, 25, 80, 162, 252, 221;
49, 36, 125, 288, 567, 884, 776;
...
Row 3 = (9, 4, 5) = termwise product of (9, 4, 1) and (1, 1, 5) (9*1, 4*1, 1*5).
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Sep 04 2008
STATUS
approved