A173225 - OEIS

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A173225

a(n) is the smallest nonnegative m such that average digit of m^2 is n.

%I #16 Nov 21 2013 12:50:00

%S 0,1,145,12,2,8,24,1667,313,3

%N a(n) is the smallest nonnegative m such that average digit of m^2 is n.

%t Join[{0},Flatten[Table[Select[Range[2000],Mean[IntegerDigits[#^2]] == n&,1],{n,9}]]] (* _Harvey P. Dale_, Feb 26 2012 *)

%K base,nonn,fini,full

%O 0,3

%A _Zak Seidov_, Nov 22 2010