id:A057733 - OEIS Search Results

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Primes of the form 2^n + 3.

+0
9

5, 7, 11, 19, 67, 131, 4099, 32771, 65539, 262147, 268435459, 1073741827, 36028797018963971, 147573952589676412931, 19342813113834066795298819, 431359146674410236714672241392314090778194310760649159697657763987459 (list; graph; listen)

	OFFSET	`1,1`
	MAPLE	for n from 1001 to 2000 do `if`(isprime(2^n + 3)=true, 2^n + 3, NULL) od;
	CROSSREFS	`Cf. A057732.` `Sequence in context: A056208 A045441 A128841 this_sequence A124111 A151715 A090810` `Adjacent sequences: A057730 A057731 A057732 this_sequence A057734 A057735 A057736`
	KEYWORD	`nonn`
	AUTHOR	`G. L. Honaker, Jr. (honak3r(AT)gmail.com), Oct 29 2000`
	EXTENSIONS	`More terms from Francois Jooste (pin(AT)myway.com), Mar 17 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research