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Search: id:A129689
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| 1, 1, 1, 3, 2, 1, 7, 5, 3, 1, 15, 12, 8, 4, 1, 31, 27, 20, 12, 5, 1, 63, 58, 47, 32, 17, 6, 1, 127, 121, 105, 79, 49, 23, 7, 1, 255, 248, 226, 184, 128, 72, 30, 8, 1, 511, 503, 474, 410, 312, 200, 102, 38, 9, 1
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Row sums = A057711: (1, 2, 6, 16, 40, 96,...). A129690 = A129688 * A007318.
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FORMULA
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Binomial transform of A129688. A007318 * A129688 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
3, 2, 1;
7, 5, 3, 1;
15, 12, 8, 4, 1;
31, 27, 20, 12, 5, 1;
63, 58, 47, 32, 17, 6, 1;
...
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CROSSREFS
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Cf. A129688, A007318, A057711, A129690.
Sequence in context: A162387 A001355 A105531 this_sequence A115990 A094531 A161009
Adjacent sequences: A129686 A129687 A129688 this_sequence A129690 A129691 A129692
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Apr 28 2007
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