OFFSET
0,2
COMMENTS
Row sums = A061667: (1, 3, 9, 26, 73, 201, ...).
FORMULA
Binomial transform of A052509.
EXAMPLE
First few rows of the triangle:
1;
2, 1;
4, 4, 1;
8, 12, 5, 1;
16, 32, 18, 6, 1;
32, 80, 57, 24, 7, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jun 23 2007
STATUS
approved