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A090872
a(n) is the smallest number m greater than 1 such that m^(2^k)+1 for k=0,1,...,n are primes.
+0
5
2, 2, 2, 2, 2, 7072833120, 2072005925466
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
AT&T Labs Research
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