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A057733
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Primes of the form 2^n + 3.
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11
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5, 7, 11, 19, 67, 131, 4099, 32771, 65539, 262147, 268435459, 1073741827, 36028797018963971, 147573952589676412931, 19342813113834066795298819, 431359146674410236714672241392314090778194310760649159697657763987459
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MAPLE
| for n from 1001 to 2000 do `if`(isprime(2^n + 3)=true, 2^n + 3, NULL) od;
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PROG
| (MAGMA) [ a: n in [0..250] | IsPrime(a) where a is 2^n+3 ] [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 07 2010]
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CROSSREFS
| Cf. A057732.
Sequence in context: A056208 A045441 A128841 * A174332 A124111 A151715
Adjacent sequences: A057730 A057731 A057732 * A057734 A057735 A057736
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KEYWORD
| nonn
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AUTHOR
| G. L. Honaker, Jr. (honak3r(AT)gmail.com), Oct 29 2000
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EXTENSIONS
| More terms from Francois Jooste (pin(AT)myway.com), Mar 17 2003
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