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A052078
Smallest prime formed by concatenating n consecutive decreasing numbers, 0 if no such prime exists.
+0
4
2, 43, 0, 10987, 76543, 0, 73727170696867, 4645444342414039, 0, 56555453525150494847, 219218217216215214213212211210209, 0, 25242322212019181716151413, 6059585756555453525150494847, 0
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 17 23:36 EST 2009. Contains 170922 sequences.
AT&T Labs Research
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