OFFSET
1,2
COMMENTS
Row sums = A084849: (1, 4, 11, 22, 37, ...).
EXAMPLE
First few rows of the triangle:
1;
2, 2;
3, 5, 3;
4, 7, 7, 4;
5, 9, 9, 9, 5;
6, 11, 11, 11, 11, 6;
7, 13, 13, 13, 13, 13, 7;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jul 26 2007
STATUS
approved