A045604 - OEIS

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A045604

Numbers k that divide 8^k + 7^k.

%I #9 Aug 09 2021 01:32:44

%S 1,3,5,9,15,25,27,45,57,75,81,125,135,171,225,243,285,375,405,513,625,

%T 675,729,855,915,1083,1125,1215,1425,1539,1875,2025,2187,2525,2565,

%U 2745,3125,3249,3305,3375,3645,4275,4575,4617,5415,5625,6075,6561,7125

%N Numbers k that divide 8^k + 7^k.

%K nonn

%O 1,2

%A _David W. Wilson_