A030100 Cubes whose digits are all odd.

1, 1331, 3375, 35937, 59319, 357911, 753571, 5177717, 5359375, 5735339, 9393931, 17373979, 37595375, 37159393753, 99317171591, 175333911173, 397551775977, 1913551573375, 9735913353977, 11997979755957, 17171515157399, 335571975137771, 1331399339931331

Offset: 1

Author

Patrick De Geest

Keywords

• nonn
• base
• nice

Links

• Giovanni Resta, Table of n, a(n) for n = 1..563 (terms < 10^57)

Crossrefs

Cf. A030099, A034376, A052004.

Programs

Mathematica

Select[Range[23000]^3,And@@(OddQ/@IntegerDigits[#])&] (* Harvey P. Dale, Aug 20 2011 *)

Formula

a(n) = A030099(n)^3.