login
A132307
2*A007318^(2) - A000012.
3
1, 3, 1, 7, 7, 1, 15, 23, 11, 1, 31, 63, 47, 15, 1, 63, 159, 159, 79, 19, 1, 127, 383, 479, 319, 119, 23, 1, 255, 895, 1343, 1119, 559, 167, 27, 1, 511, 2047, 3583, 3583, 2239, 895, 223, 31, 1, 1023, 4607, 9215, 10751, 8063, 4031, 1343, 287, 35, 1
OFFSET
0,2
COMMENTS
Row sums = A132308: (1, 4, 15, 50, 157, 480, 1451, ...). Inverse binomial transform of A132307 = triangle A132309 (having row sums A077552).
FORMULA
2*A007318^(2) - A000012 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
1;
3, 1;
7, 7, 1;
15, 23, 11, 1;
31, 63, 47, 15, 1;
63, 159, 159, 79, 19, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Aug 18 2007
STATUS
approved