A019545 Cubes whose digits are cubes.

0, 1, 8, 1000, 8000, 1000000, 8000000, 1000000000, 8000000000, 1000000000000, 8000000000000, 1000000000000000, 8000000000000000, 1000000000000000000, 8000000000000000000, 1000000000000000000000

Offset

1,3

Comments

Is a(n) = 1000*a(n-2) for n > 3? - Charles R Greathouse IV, Sep 20 2012

Subsequence of A046031. - Michel Marcus, May 24 2014

Links

Table of n, a(n) for n=1..16.

Sylvester Smith, A Set of Conjectures on Smarandache Sequences, Bulletin of Pure and Applied Sciences, (Bombay, India), Vol. 15 E (No. 1), 1996, pp. 101-107.

Eric Weisstein's World of Mathematics, Smarandache Sequences

Mathematica

Join[{0}, Select[FromDigits/@(Flatten[Table[PadRight[{d}, n, 0], {n, 30}, {d, {1, 8}}], 1]), IntegerQ[Surd[#, 3]]&]] (* Harvey P. Dale, Dec 03 2021 *)

Crossrefs

Cf. A046031.

Sequence in context: A118545 A017091 A164883 * A046242 A260028 A176367

Adjacent sequences: A019542 A019543 A019544 * A019546 A019547 A019548

Keyword

nonn,base

Author

R. Muller

Status

approved