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A131336
4
1, 1, 1, 2, 1, 1, 3, 3, 2, 1, 5, 4, 4, 2, 1, 8, 8, 7, 5, 3, 1, 13, 12, 12, 9, 7, 3, 1, 21, 21, 20, 17, 14, 8, 4, 1, 34, 33, 33, 29, 26, 17, 11, 4, 1, 55, 55, 54, 50, 46, 34, 25, 12, 5, 1
OFFSET
1,4
COMMENTS
Left border = Fibonacci numbers. Row sums = A131337.
FORMULA
A131334 * A000012, (partial row sums of A131334 starting from the right).
EXAMPLE
First few rows of the triangle are:
1;
1, 1;
2, 1, 1;
3, 3, 2, 1;
5, 4, 4, 2, 1;
8, 8, 7, 5, 3, 1;
13, 12, 12, 9, 7, 3, 1;
21, 21, 20 17, 14, 8, 4, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jun 29 2007
STATUS
approved