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1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 2, 2, 1, 0, 1, 1, 2, 2, 4, 1, 0, 1, 1, 2, 2, 4, 4, 1, 0, 1, 1, 2, 2, 4, 4, 7, 1, 0, 1, 1, 2, 2, 4, 4, 7, 8
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,15
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COMMENTS
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Row sums = the partition numbers, A000041: (1, 1, 2, 3, 5, 7, 11, 15, ...).
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LINKS
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FORMULA
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A000012 * A002865 as a diagonalized matrix, the latter = an infinite lower triangular matrix with A002865: (1, 0, 1, 1, 2, 2, 4, 4, 7, 8, ...) as the main diagonal and the rest zeros. Triangle read by rows, n-th row = first (n+1) terms of A002865.
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EXAMPLE
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First few rows of the triangle:
1;
1, 0;
1, 0, 1;
1, 0, 1, 1;
1, 0, 1, 1, 2;
1, 0, 1, 1, 2, 2;
1, 0, 1, 1, 2, 2, 4;
1, 0, 1, 1, 2, 2, 4, 4;
1, 0, 1, 1, 2, 2, 4, 4, 7;
...
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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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