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Search: id:A131411
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| 1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 5, 6, 7, 9, 8, 8, 9, 10, 12, 15, 13, 13, 14, 15, 17, 20, 25, 21, 21, 22, 23, 25, 28, 33, 41, 34, 34, 35, 36, 38, 41, 46, 54, 67, 55, 55, 56, 57, 59, 62, 67, 75, 88, 109
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Left column = Fibonacci numbers. Right column = A001595: (1, 1, 3, 5, 9, 15, 25,...). Row sums = A131412: (1, 2, 7, 15, 32, 62, 117, 214,...).
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FORMULA
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A131410 + A104763 - A000012 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
2, 2, 3;
3, 3, 4, 5;
5, 5, 6, 7, 9;
8, 8, 9, 10, 12, 15;
13, 13, 14, 15, 17, 20, 25;
21, 21, 22, 23, 25, 28, 33, 41;
...
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CROSSREFS
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Cf. A127647, A131410, Ak000045, A001595, A131412.
Adjacent sequences: A131408 A131409 A131410 this_sequence A131412 A131413 A131414
Sequence in context: A125186 A140473 A115384 this_sequence A125059 A029112 A029094
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpktK(AT)yahoo.com), Jul 08 2007
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