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Search: id:A140705
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| 1, 5, 1, 9, 1, 1, 19, 5, 1, 1, 23, 5, 1, 1, 1, 39, 9, 5, 1, 1, 1, 43, 9, 5, 1, 1, 1, 1, 63, 19, 5, 5, 1, 1, 1, 1, 73, 19, 9, 5, 1, 1, 1, 1, 1, 89, 23, 9, 5, 5, 1, 1, 1, 1, 1, 93, 23, 9, 5, 51, 1, 1, 1, 1, 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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Row sums = A061203: (1, 6, 11, 26, 31, 56,...).
Left column = A061202: (1, 5, 9, 19, 23, 39,...).
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FORMULA
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A000012 * A051731^4 as infinite lower triangular matrices, where A051731 = the inverse Mobius transform and A000012 = an infinite lower triangular matrix with all 1's.
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EXAMPLE
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First few rows of the triangle are:
1;
5, 1;
9, 1, 1;
19, 5, 1, 1;
23, 5, 1, 1, 1;
39, 9, 5, 1, 1, 1;
43, 9, 5, 1, 1, 1, 1;
63, 19, 5, 5, 1, 1, 1, 1;
...
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CROSSREFS
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Cf. A051731, A061203, A061202.
Sequence in context: A073116 A154310 A115521 this_sequence A147423 A147085 A046580
Adjacent sequences: A140702 A140703 A140704 this_sequence A140706 A140707 A140708
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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 24 2008
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