Numbers m such that, if k is the number of digits of m, then for some r > 1, the sum of the k-th powers of the digits of m^r is equal to m.

A364601

Numbers m such that, if k is the number of digits of m, then for some r > 1, the sum of the k-th powers of the digits of m^r is equal to m.

Terms

    a(0) =1a(1) =7a(2) =8a(3) =9a(4) =180a(5) =205a(6) =38998a(7) =45994a(8) =89080a(9) =726191a(10) =5540343a(11) =7491889a(12) =8690141a(13) =167535050a(14) =749387107a(15) =9945245922

External references