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A056993
a(n) = smallest k >= 2 such that k^(2^n)+1 is prime.
+0
9
2, 2, 2, 2, 2, 30, 102, 120, 278, 46, 824, 150, 1534, 30406, 67234, 70906, 48594, 62722
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Maintained by
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.
AT&T Labs Research
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