OFFSET
1,2
COMMENTS
Row sums = A028387: (1, 5, 11, 19, 29, 41, ...).
FORMULA
EXAMPLE
First few rows of the triangle:
1;
3, 2;
3, 5, 3;
3, 5, 7, 4;
3, 5, 7, 9, 5;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Feb 16 2007
STATUS
approved