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1, 1, 2, 0, 5, 3, 0, 3, 15, 4, 0, 0, 22, 34, 5, 0, 0, 10, 90, 65, 6, 0, 0, 0, 95, 270, 111, 7, 0, 0, 0, 35, 490, 665, 175, 8, 0, 0, 0, 0, 406, 1820, 1428, 260, 9, 0, 0, 0, 0, 126, 2520, 5460, 2772, 369, 10, 0, 0, 0, 0, 0, 1722, 11130, 14070, 4980, 505, 11, 0, 0, 0, 0, 0, 462, 12474, 39270, 32340, 8415, 671, 12
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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Row sums = A025566 starting (1, 3, 8, 22, 61, 171, 483, ...).
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LINKS
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FORMULA
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Inverse binomial transform of A132812.
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EXAMPLE
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First few rows of the triangle:
1;
1, 2;
0, 5, 3;
0, 3, 15, 4;
0, 0, 22, 34, 5;
0, 0, 10, 90, 65, 6;
0, 0, 0, 95, 270, 111, 7;
...
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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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