1,2

A025456(a(n)) = 0. [From Reinhard Zumkeller, Apr 23 2009]

T. D. Noe, Table of n, a(n) for n=1..1000

Eric Weisstein's World of Mathematics, Cubic Number.

Select[Range[100], Count[ PowersRepresentations[#, 3, 3], pr_List /; FreeQ[pr, 0]] == 0 &] (* Jean-François Alcover, Oct 31 2012 *)

Cf. A003072 (Complement)

Sequence in context: A183301 A308065 A047318 * A188397 A027925 A247419

Adjacent sequences: A057901 A057902 A057903 * A057905 A057906 A057907

nonn

Eric W. Weisstein

approved