OFFSET
0,4
COMMENTS
Row sums = A077802, (1, 2, 7, 18, 41, 88,...).
EXAMPLE
First few rows of the triangle are:
1;
1, 1;
2, 4, 1;
2, 8, 7, 1;
2, 11, 17, 10, 1;
2, 14, 29, 29, 13, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jul 05 2007
STATUS
approved