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Cubes whose digits are all odd.
5

%I #15 Mar 14 2020 05:53:51

%S 1,1331,3375,35937,59319,357911,753571,5177717,5359375,5735339,

%T 9393931,17373979,37595375,37159393753,99317171591,175333911173,

%U 397551775977,1913551573375,9735913353977,11997979755957,17171515157399,335571975137771,1331399339931331

%N Cubes whose digits are all odd.

%H Giovanni Resta, <a href="/A030100/b030100.txt">Table of n, a(n) for n = 1..563</a> (terms < 10^57)

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

%t Select[Range[23000]^3,And@@(OddQ/@IntegerDigits[#])&] (* _Harvey P. Dale_, Aug 20 2011 *)

%Y Cf. A030099, A034376, A052004.

%K nonn,base,nice

%O 1,2

%A _Patrick De Geest_