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Search: id:A132923
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| A132923 |
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Triangle by columns, F(n) followed by (F(n)+1), (F(n)+2), (F(n)+3),... |
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+0
2
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| 1, 2, 1, 3, 2, 2, 4, 3, 3, 3, 5, 4, 4, 4, 5, 6, 5, 5, 5, 6, 8, 7, 6, 6, 6, 7, 9, 13, 8, 7, 7, 7, 8, 10, 14, 21, 9, 8, 8, 8, 9, 11, 15, 22, 34, 10, 9, 9, 9, 10, 12, 16, 23, 35, 55
(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 = A081662: (1, 3, 7, 13, 22, 35, 54,...). Right border = Fibonacci numbers, A000045.
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
3, 2, 2;
4, 3, 3, 3;
5, 4, 4, 4, 5;
6, 5, 5, 5, 6, 8;
7, 6, 6, 6, 7, 9, 13;
...
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CROSSREFS
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Cf. A000045, A081662.
Sequence in context: A097367 A130211 A102364 this_sequence A141157 A137948 A120933
Adjacent sequences: A132920 A132921 A132922 this_sequence A132924 A132925 A132926
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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), Sep 05 2007
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