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A131052
1
1, 2, 2, 4, 3, 3, 8, 8, 4, 4, 16, 15, 15, 5, 5, 32, 32, 26, 26, 6, 6, 64, 63, 63, 42, 42, 7, 7, 128, 128, 120, 120, 64, 64, 8, 8
OFFSET
1,2
COMMENTS
Row sums = A087447: (1, 4, 10, 24, 56, ...). A131053 = A000012 * A131047.
FORMULA
A131047 * A000012 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
1;
2, 2;
4, 3, 3;
8, 8, 4, 4;
16, 15, 15, 5, 5;
32, 32, 26, 26, 6, 6;
64, 63, 63, 42, 42, 7, 7;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jun 12 2007
STATUS
approved