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A128544 A007318 * A128540. +0
1
1, 2, 1, 3, 4, 2, 4, 9, 9, 3, 5, 16, 24, 17, 5, 6, 25, 50, 55, 33, 8, 7, 36, 90, 135, 123, 61, 13, 8, 49, 147, 280, 343, 259, 112, 21, 9, 64, 224, 518, 798, 812, 532, 202, 34, 10, 81, 324, 882, 1638, 2100, 1848, 1062, 361, 55 (list; table; graph; listen)
OFFSET

0,2

COMMENT

Row sums = A069403: (1, 3, 9, 25, 67,...).

FORMULA

A007318 * A128540 as infinite lower triangular matrices; (binomial transform of A128540).

EXAMPLE

First few rows of the triangle are:

1;

2, 1;

3, 4, 2;

4, 9, 9, 3;

5, 16, 24, 17, 5;

6, 25, 50, 55, 33, 8;

7, 36, 90, 135, 123, 61, 13;

...

CROSSREFS

Cf. A007318, A128540, A069403.

Sequence in context: A131394 A130585 A125100 this_sequence A120058 A102756 A086614

Adjacent sequences: A128541 A128542 A128543 this_sequence A128545 A128546 A128547

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Mar 10 2007

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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