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