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A082815 Consider primes p with a unique representation p = x^2 + y^2, where x is least primitive root of p. a(n) is the first such prime with x increasing in the sequence, x can be found in A082816. 2
2, 5, 3061, 398261, 2387221, 8935021, 514613581 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
A082842 includes all numbers having primitive roots.
LINKS
EXAMPLE
398261 = 10^2 + 631^2 and 10 is least primitive root of 398261.
CROSSREFS
Sequence in context: A082973 A306747 A187604 * A115893 A323338 A057678
KEYWORD
nonn,more
AUTHOR
Sven Simon, May 24 2003
EXTENSIONS
Offset 1 from Michel Marcus, Oct 31 2018
STATUS
approved

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Last modified May 18 15:08 EDT 2024. Contains 372644 sequences. (Running on oeis4.)