A226766 - OEIS

A226766

Least number k such that 4^(2^i) + k is prime for i = 0,1,..,n-1.

1, 1, 1, 1, 15, 93, 53097, 3014907, 2295032545, 46868723367 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,5`
	COMMENTS	`a(7) = 53097 < A129613(7) (base-2 version).`
	LINKS	`Table of n, a(n) for n=1..10.`
	CROSSREFS	`Cf. A129613, A225560, A226281, A226707` `Sequence in context: A108684 A125325 A126483 * A114240 A189657 A190274` `Adjacent sequences: A226763 A226764 A226765 * A226767 A226768 A226769`
	KEYWORD	`nonn,more`
	AUTHOR	`Robin Garcia, Jun 17 2013`
	EXTENSIONS	`a(10) from Giovanni Resta, Jun 17 2013`
	STATUS	`approved`

Last modified March 28 23:19 EDT 2023. Contains 361596 sequences. (Running on oeis4.)