login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Numbers that are the sum of a positive square and a positive fifth power in more than one way.
1

%I #7 Jun 17 2023 10:01:33

%S 257,1025,1553,1924,2705,4388,6725,7812,11225,11268,12132,15908,18801,

%T 19012,20407,23652,28225,28256,29585,32432,32793,33057,33857,35001,

%U 36132,36249,36368,37124,37668,42372,48985,52932,59050,59305,60073,62033,62532,78993,79424,83393,87057,91810

%N Numbers that are the sum of a positive square and a positive fifth power in more than one way.

%C Numbers k such that A363713(k) > 1.

%e a(1) = 257 = 15^2 + 2^5 = 16^2 + 1^5.

%Y Cf. A100292, A363713.

%K nonn

%O 1,1

%A _Seiichi Manyama_, Jun 17 2023