OFFSET
1,2
COMMENTS
Row sums = A132127: (1, 6, 17, 37, 69, 116, ...).
EXAMPLE
First few rows of the triangle:
1;
3, 3;
6, 5, 6;
10, 8, 9, 10;
15, 12, 13, 14, 15;
21, 17, 18, 19, 20, 21;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Aug 10 2007
STATUS
approved