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A144330
Triangle read by rows, A144328 * A000012
0
1, 2, 1, 4, 3, 2, 7, 6, 5, 3, 11, 10, 9, 7, 4, 16, 15, 14, 12, 9, 5, 22, 21, 20, 18, 15, 11, 6, 29, 28, 27, 25, 22, 18, 13, 7, 37, 36, 35, 33, 30, 26, 21, 15, 8, 46, 45, 44, 42, 39, 35, 30, 24, 17, 9, 56, 55, 54, 52, 49, 45, 40, 34, 27, 19, 10
OFFSET
1,2
COMMENTS
Row sums = A064999: (1, 3, 9, 21, 41, 113,...).
Left border = A000124: (1, 2, 4, 7, 11, 16, 22, 29,...).
FORMULA
Triangle read by rows, partial sums of A144328 starting from the right.
EXAMPLE
First few rows of the triangle =
1;
2, 1
4, 3, 2
7, 6, 5, 3;
11, 10, 9, 7, 4;
16, 15, 14, 12, 9, 5;
22, 21, 20, 18, 15, 11, 6;
29, 28, 27, 25, 22, 18, 13, 7;
...
Row 4 = (7, 6, 5, 3) = partial sums from the right of triangle A144328, row 4: (1, 1, 2, 3).
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Sep 18 2008
STATUS
approved