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A037057
Smallest prime containing exactly n 2's.
+0
13
2, 223, 2221, 22229, 1222229, 20222227, 22222223, 222222227, 20222222221, 22222222223, 2122222222229, 21222222222221, 22222222222229, 222222222222227, 21222222222222221, 202222222222222229
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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 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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