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Search: id:A131414
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| 1, 5, 1, 10, 3, 1, 16, 5, 3, 1, 23, 7, 5, 3, 1, 31, 9, 7, 5, 3, 1, 40, 11, 9, 7, 5, 3, 1, 50, 13, 11, 9, 7, 5, 3, 1, 61, 15, 13, 11, 9, 7, 5, 3, 1, 73, 17, 15, 13, 11, 9, 7, 5, 3, 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 column = A052905: (1, 5, 10, 16, 23, 31,...). Row sums = A095794: (1, 6, 14, 25, 39,...).
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FORMULA
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A130302 + A130303 - A000012 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
5, 1;
10, 3, 1;
16, 5, 3, 1;
23, 7, 5, 3, 1;
31, 9, 7, 5, 3, 1;
...
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CROSSREFS
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Cf. A130302, A130303, A052905, A095794.
Adjacent sequences: A131411 A131412 A131413 this_sequence A131415 A131416 A131417
Sequence in context: A100542 A040029 A105086 this_sequence A050308 A063475 A135855
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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), Jul 08 2007
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