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1, 3, 1, 5, 3, 1, 7, 6, 4, 1, 9, 10, 10, 5, 11, 15, 20, 15, 6, 1, 13, 21, 35, 35, 27, 7, 1, 15, 28, 56, 70, 56, 28, 8, 1, 17, 36, 84, 126, 126, 84, 36, 9, 1, 19, 45, 120, 210, 252, 210, 120, 45, 10, 1
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Row sums = A083706: (1, 4, 9, 18, 35, 68,...). A130300 = A007318 * A130296.
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FORMULA
| A130296 * A007318 as infinite lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
3, 1;
5, 3, 1;
7, 6, 4, 1;
9, 10, 10, 5, 1;
11, 15, 20, 15, 6, 1;
13, 21, 35, 35, 21, 7, 1;
...
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CROSSREFS
| Cf. A130296, A130300, A083706.
Sequence in context: A147754 A084305 A099375 * A133601 A133094 A159291
Adjacent sequences: A130298 A130299 A130300 * A130302 A130303 A130304
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), May 20 2007
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