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Search: id:A131249
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| 1, 2, 1, 4, 4, 1, 8, 12, 5, 1, 16, 32, 18, 6, 1, 32, 80, 57, 24, 7, 1, 64, 192, 168, 82, 31, 8, 1, 128, 448, 471, 260, 113, 39, 9, 1, 256, 1024, 1270, 790, 374, 152, 48, 10, 1
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row sums = A061667: (1, 3, 9, 26, 73, 201,...)
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FORMULA
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Binomial transform of A052509
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
4, 4, 1;
8, 12, 5, 1;
16, 32, 18, 6, 1;
32, 80, 57, 24, 7, 1;
...
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CROSSREFS
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Cf. A061667, A007318, A052509.
Sequence in context: A122438 A131250 A140693 this_sequence A048807 A134397 A134395
Adjacent sequences: A131246 A131247 A131248 this_sequence A131250 A131251 A131252
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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), Jun 23 2007
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