OFFSET
0,2
COMMENTS
Row sums = A002064: (1, 3, 9, 25, 65, 161,...).
EXAMPLE
First few rows of the triangle =
1;
2, 1;
4, 4, 1;
8, 11, 5, 1;
16, 26, 16, 6, 1;
32, 57, 42, 22, 7, 1;
64, 120, 99, 64, 29, 8, 1;
128, 247, 219, 163, 93, 37, 9, 1;
256, 502, 466, 382, 256, 130, 46, 10, 1;
512, 1013, 968, 848, 638, 386, 176, 56, 11, 1;
1024, 2036, 1981, 1816, 1486, 1024, 562, 232, 67, 12, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Feb 13 2009
STATUS
approved