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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). 1
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

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