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1, 2, 1, 3, 4, 2, 4, 7, 6, 2, 5, 16, 24, 16, 4, 6, 15, 22, 20, 10, 2, 7, 36, 90, 120, 90, 36, 6, 8, 35, 90, 142, 140, 84, 28, 4, 9, 52, 170, 336, 420, 336, 168, 48, 6, 10, 53, 168, 352, 508, 504, 336, 144, 36, 4
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| A130584 = A007318 * A054522 Row sums = A130586: (1, 3, 9, 19, 65, 75, 385,...).
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FORMULA
| A054522 * A007318 as infinite lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
2, 1;
3, 4, 2;
4, 7, 6, 2;
5, 16, 24, 16, 4;
6, 15, 22, 20, 10, 2;
7, 36, 90, 120, 90, 36, 6;
...
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CROSSREFS
| Cf. A054522, A007318, A130585, A130586.
Sequence in context: A140073 A131389 A131394 * A125100 A128544 A120058
Adjacent sequences: A130582 A130583 A130584 * A130586 A130587 A130588
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 06 2007
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