A156669 - cp's OEIS frontend

A156669 Positive integers k such that k^2 = (m^5 + n^5)/(m + n) for some nonnegative coprime integers m, n.

%I A156669 #7 Jul 25 2017 02:25:55
%S A156669 1,101,13361,1612186411,1624763543401,240020196429554642201,
%T A156669 29891946989942513908518251,
%U A156669 5506336596007252456855684531229391026385301,92724987584857206382605250844078768507060135044811
%N A156669 Positive integers k such that k^2 = (m^5 + n^5)/(m + n) for some nonnegative coprime integers m, n.
%e A156669 13361 belongs to this sequence since 13361^2 = (35^5 + 123^5) / (35 + 123) with gcd(35, 123) = 1.
%Y A156669 Cf. A156668, A156670.
%K A156669 nonn
%O A156669 1,2
%A A156669 _Max Alekseyev_, Feb 13 2009

cp's OEIS Frontend

A156669 Positive integers k such that k^2 = (m^5 + n^5)/(m + n) for some nonnegative coprime integers m, n.