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A131818
A130296
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A002260
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A000012
. Triangle read by rows: row n consists of n, 2, 3, 4,...n.
+0
3
1, 2, 2, 3, 2, 3, 4, 2, 3, 4, 5, 2, 3, 4, 5, 6, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10
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Maintained by
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Last modified December 20 16:40 EST 2009. Contains 171081 sequences.
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