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A104766
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Triangle T(n,k) = A001629(n-k+2) read by rows, 1<=k<=n.
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0
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1, 2, 1, 5, 2, 1, 10, 5, 2, 1, 20, 10, 5, 2, 1, 38, 20, 10, 5, 2, 1, 71, 38, 20, 10, 5, 2, 1, 130, 71, 38, 20, 10, 5, 2, 1
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OFFSET
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1,2
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COMMENTS
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The triangle is the matrix square of the triangle A104762: T(n,k) = sum_{j= k..n} A104762(n,j)*A104762(j,k).
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LINKS
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EXAMPLE
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First few rows of the triangle:
1;
2, 1;
5, 2, 1;
10, 5, 2, 1;
20, 10, 5, 2, 1;
38, 20, 10, 5, 2, 1;
71, 38, 20, 10, 5, 2, 1;
...
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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