A108293 - OEIS

A108293

Consider primes p and q such that p = 2^k + 27 and q = 2^(k+1) + 27 for some k; sequence gives values of q.

31, 59, 16411, 2199023255579, 21778071482940061661655974875633165533211 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..5.`
	PROG	`(PARI) g(m, n, b) = { for(x=0, n, y=m+b^x+b%2; z=m+b^(x+1)+b%2; if(isprime(y)&isprime(z), print1(z", ") ) ) }`
	CROSSREFS	`Cf. A108280.` `Sequence in context: A139954 A153636 A109840 * A316349 A063339 A228541` `Adjacent sequences: A108290 A108291 A108292 * A108294 A108295 A108296`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard, Jun 29 2005`
	STATUS	`approved`

Last modified March 22 17:54 EDT 2023. Contains 361432 sequences. (Running on oeis4.)