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A082842 Numbers k such that k = x^2 + y^2 where x is the least primitive root of k. k is the first such number with x increasing in the sequence, x can be found in A082843. 2

%I #13 Oct 02 2023 20:53:42

%S 2,5,10,74,338,3602,5498,26762,58346,985562,7364858,336839498

%N Numbers k such that k = x^2 + y^2 where x is the least primitive root of k. k is the first such number with x increasing in the sequence, x can be found in A082843.

%C A082815 the same for prime numbers only.

%e 26762 = 29^2 + 161^2 has 29 as least primitive root.

%Y Cf. A001481, A082843, A082815.

%K nonn,more

%O 1,1

%A _Sven Simon_, May 24 2003

%E Offset 1 from _Michel Marcus_, Oct 31 2018

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)