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A001272
Numbers n such that n!-(n-1)!+(n-2)!-(n-3)!+...+-1! is prime.
+0
6
3, 4, 5, 6, 7, 8, 10, 15, 19, 41, 59, 61, 105, 160, 661, 2653, 3069, 3943, 4053, 4998, 8275, 9158, 11164
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Maintained by
N. J. A. Sloane
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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