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A132921
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Triangle read by rows: T(n,k) = n + Fibonacci(k) - 1, 1 <= k <= n.
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2
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1, 2, 2, 3, 3, 4, 4, 4, 5, 6, 5, 5, 6, 7, 9, 6, 6, 7, 8, 10, 13, 7, 7, 8, 9, 11, 14, 19, 8, 8, 9, 10, 12, 15, 20, 28, 9, 9, 10, 11, 13, 16, 21, 29, 42, 10, 10, 11, 12, 14, 17, 22, 30, 43, 64, 11, 11, 12, 13, 15, 18, 23, 31, 44, 65, 99, 12, 12, 13, 14, 16, 19, 24, 32, 45, 66, 100, 155
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OFFSET
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1,2
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COMMENTS
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LINKS
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FORMULA
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EXAMPLE
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First few rows of the triangle are:
1;
2, 2;
3, 3, 4;
4, 4, 5, 6;
5, 5, 6, 7, 9;
...
Column 3 = 4, 5, 6, 7, ...; since A081659(2) = 4.
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PROG
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(PARI) T(n, k)=if(k<=n, n + fibonacci(k) - 1, 0) \\ Andrew Howroyd, Sep 01 2018
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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Name clarified and terms a(56) and beyond from Andrew Howroyd, Sep 01 2018
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STATUS
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approved
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