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Decimal part of cube root of n starts with digit 9.
1

%I #12 Oct 06 2019 18:34:53

%S 7,25,26,60,61,62,63,118,119,120,121,122,123,124,206,207,208,209,210,

%T 211,212,213,214,215,329,330,331,332,333,334,335,336,337,338,339,340,

%U 341,342,494,495,496,497,498,499,500,501,502,503,504,505,506,507,508

%N Decimal part of cube root of n starts with digit 9.

%t Select[Range[508], First[RealDigits[#^(1/3), 10, 1, -1]] == {9} &] (* _Jayanta Basu_, Jun 17 2013 *)

%t Flatten[Table[s = Ceiling[(n + 9/10)^3]; Range[s, (n + 1)^3 - 1], {n, 7}]] (* _T. D. Noe_, Jun 17 2013 *)

%Y Cf. A034135.

%K nonn,easy,base

%O 1,1

%A _Patrick De Geest_, Sep 15 1998