Numbers n such that n = (a_1 + a_2 + ... + a_p)*(a_1^3 + a_2^3 + ... + a_p^3), where n has the decimal expansion a_1a_2...a_p.
A130680
Numbers n such that n = (a_1 + a_2 + ... + a_p)*(a_1^3 + a_2^3 + ... + a_p^3), where n has the decimal expansion a_1a_2...a_p.
Terms
- a(0) =1a(1) =1215a(2) =3700a(3) =11680a(4) =13608a(5) =87949
External references
- oeis: A130680