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Search: id:A132737
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| 1, 1, 1, 1, 5, 1, 1, 7, 7, 1, 1, 9, 13, 9, 1, 1, 11, 21, 21, 11, 1, 1, 13, 31, 41, 31, 13, 1, 1, 15, 43, 71, 71, 43, 15, 1, 1, 17, 57, 113, 141, 113, 57, 17, 1, 1, 19, 73, 169, 253, 253, 169, 73, 19, 1
(list; table; graph; listen)
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OFFSET
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0,5
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COMMENT
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Row sums = A132738: (1, 2, 7, 16, 33, 66, 131,...).
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FORMULA
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2*A132735 - 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, 5, 1;
1, 7, 7, 1;
1, 9, 13, 9, 1;
1, 11, 21, 21, 11, 1;
1, 13, 31, 41, 31, 13, 1;
1, 15, 43, 71, 71, 43, 15, 1;
...
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CROSSREFS
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Cf. A132735, A132738.
Sequence in context: A050178 A111720 A029646 this_sequence A137754 A131404 A078181
Adjacent sequences: A132734 A132735 A132736 this_sequence A132738 A132739 A132740
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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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