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Search: id:A131258
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| 1, 1, 1, 0, 2, 1, 0, 2, 2, 1, 1, 2, 3, 2, 1, 1, 3, 5, 3, 2, 1, 0, 4, 8, 6, 3, 2, 1, 0, 4, 11, 12, 6, 3, 2, 1, 1, 4, 14, 20, 13, 6, 3, 2, 1, 1, 5, 18, 30, 25, 13, 6, 3, 2, 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 = A097083: (1, 2, 3, 5, 9, 15,...)
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FORMULA
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A129686^(-1) * A052509 as infinite lower triangular matrices, where A129686 = the alternate term operator.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
0, 2, 1;
0, 2, 2, 1;
1, 2, 3, 2, 1;
1, 3, 5, 3, 2, 1;
0, 4, 8, 6, 3, 2, 1;
...
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CROSSREFS
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Cf. A129686, A052509, A097083.
Sequence in context: A068913 A128306 A113423 this_sequence A029366 A112848 A035152
Adjacent sequences: A131255 A131256 A131257 this_sequence A131259 A131260 A131261
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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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