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A072725
Integers which are exactly the concatenation of the first m numbers (
A007908
) divided by their sum (
A000217
= m*(m+1)/2).
+0
3
1, 4, 823
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.
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