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A104792
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Triangle T(n,k) = A000330(n-k), n>=1, 0<=k<n, read by rows.
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0
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1, 5, 1, 14, 5, 1, 30, 14, 5, 1, 55, 30, 14, 5, 1, 91, 55, 30, 14, 5, 1, 140, 91, 55, 30, 14, 5, 1, 204, 140, 91, 55, 30, 14, 5, 1, 285, 204, 140, 91, 55, 30, 14, 5, 1, 385, 285, 204, 140, 91, 55, 30, 14, 5, 1, 506, 385, 285, 204, 140, 91, 55, 30, 14, 5, 1, 650, 506, 385, 285
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internal format)
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OFFSET
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1,2
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COMMENTS
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Repeatedly writing the square pyramidal numbers (A000330) backwards.
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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;
5, 1;
14, 5, 1;
30, 14, 5, 1;
55, 30, 14, 5, 1;
91, 55, 30, 14, 5, 1;
...
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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