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Search: id:A132729
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| 1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 5, 9, 5, 1, 1, 7, 17, 17, 7, 1, 1, 9, 27, 37, 27, 9, 1, 1, 11, 39, 67, 67, 39, 11, 1, 1, 13, 53, 109, 137, 109, 53, 13, 1, 1, 15, 69, 165, 249, 249, 165, 69, 15, 1
(list; table; graph; listen)
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OFFSET
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0,8
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COMMENT
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Row sums = A132730: (1, 2, 3, 8, 21, 50, 111, 236, 489,...).
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FORMULA
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2*A132044 - A000012 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
1, 1, 1;
1, 3, 3, 1;
1, 5, 9, 5, 1;
1, 7, 17, 17, 7, 1;
1, 9, 27, 37, 26, 9, 1;
1, 11, 39, 67, 67, 39, 11, 1;
...
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CROSSREFS
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Cf. A132044, A132730, A007318.
Sequence in context: A046221 A056611 A135669 this_sequence A034871 A015109 A086626
Adjacent sequences: A132726 A132727 A132728 this_sequence A132730 A132731 A132732
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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), Aug 26 2007
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