A345438 - OEIS

A345438

Number of primes in the ring R = {x+y*sqrt(-2): x, y rational integers} with norm x^2+2*y^2 equal to A341784(n).

2, 4, 4, 4, 4, 2, 4, 4 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`See A345437 for further information.`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`The two primes in R with smallest norm are +-sqrt(-2), of norm 2 = A341784(1), so a(1) = 2.`
	CROSSREFS	`Cf. A341784, A345437.` `Sequence in context: A143194 A036264 A105192 * A203638 A040002 A151798` `Adjacent sequences: A345435 A345436 A345437 * A345439 A345440 A345441`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane, Jun 24 2021`
	STATUS	`approved`

Last modified August 12 00:34 EDT 2022. Contains 356067 sequences. (Running on oeis4.)