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Search: id:A130297
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| 1, 4, 1, 8, 2, 1, 13, 3, 2, 1, 19, 4, 3, 2, 1, 26, 5, 4, 3, 2, 1, 34, 6, 5, 4, 3, 2, 1, 43, 7, 6, 5, 4, 3, 2, 1, 53, 8, 7, 6, 5, 4, 3, 2, 1, 64, 9, 8, 7, 6, 5, 4, 3, 2, 1
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Left border = A034856: (1, 4, 8, 13, 19, 26, 34,...). Row sums = A028387: (1, 5, 11, 19, 29, 41, 55,...).
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FORMULA
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Square of A130296 as an infinite lower triangular matrix.
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EXAMPLE
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First few rows of the triangle are:
1;
4, 1;
8, 2, 1;
13, 3, 2, 1;
19, 4, 3, 2, 1;
26, 5, 4, 3, 2, 1;
...
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CROSSREFS
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Cf. A130296, A034856, A028387.
Sequence in context: A080102 A106475 A134829 this_sequence A112032 A105534 A021243
Adjacent sequences: A130294 A130295 A130296 this_sequence A130298 A130299 A130300
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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), May 20 2007
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