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A338033
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Triangular array read by rows: T(n,k) = A337656(n) * A337656(k) for 1 <= k <= n.
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4
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0, 0, 1, 0, 3, 9, 0, 7, 21, 49, 0, 12, 36, 84, 144, 0, 20, 60, 140, 240, 400, 0, 30, 90, 210, 360, 600, 900, 0, 44, 132, 308, 528, 880, 1320, 1936, 0, 65, 195, 455, 780, 1300, 1950, 2860, 4225, 0, 91, 273, 637, 1092, 1820, 2730, 4004, 5915, 8281
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,5
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LINKS
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EXAMPLE
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Multiplication table begins:
* | 0 1 3 7 12 20 30 44 65
-----+-------------------------------------
0 | 0
1 | 0 1
3 | 0 3 9
7 | 0 7 21 49
12 | 0 12 36 84 144
20 | 0 20 60 140 240 400
30 | 0 30 90 210 360 600 900
44 | 0 44 132 308 528 880 1320 1936
65 | 0 65 195 455 780 1300 1950 2860 4225
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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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