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A131034
2
1, 2, 1, 4, 1, 1, 6, 2, 1, 1, 8, 2, 2, 1, 1, 10, 2, 2, 2, 1, 12, 2, 2, 2, 2, 1, 1, 14, 2, 2, 2, 2, 2, 1, 1, 16, 2, 2, 2, 2, 2, 2, 1, 1
OFFSET
0,2
COMMENTS
Row sums = A113127: (1, 3, 6, 10, 14, 18, 22, ...).
FORMULA
A129686 * A051340 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
1;
2, 1;
4, 1, 1;
6, 2, 1, 1;
8, 2, 2, 1, 1;
10, 2, 2, 2, 1, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jun 10 2007
STATUS
approved