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A058780
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Numbers n such that n^2 * 2^n + 1 is prime.
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11
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1, 2, 3, 4, 21, 30, 33, 57, 100, 142, 144, 150, 198, 225, 304, 513, 782, 858, 3638, 6076, 9297, 11037, 12135, 12876, 30180, 48470
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Do[ If[ PrimeQ[ n^2*2^n + 1 ], Print[n] ], {n, 1, 5000} ]
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 05 2008
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STATUS
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approved
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