A123584 - OEIS

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A123584

Largest digit in any base b expansion of n, 2 <= b <= sqrt(n).

%I #2 Mar 30 2012 17:35:17

%S 1,1,1,1,1,1,1,2,1,1,2,2,2,2,2,3,2,2,2,3,2,2,2,3,3,4,3,3,2,3,4,3,2,2,

%T 3,4,4,5,3,3,4,4,4,5,4,4,3,3,4,5,5,6,3,3,4,5,4,5,6,4,4,5,5,5,5,6,6,7,

%U 4,4,4,5,6,5,6,7,4,4,5,6,5,5,6,7,7,8,6,6,6,6,6,7,6,7,8,4,4,5,6,7,6,6,7,8,8

%N Largest digit in any base b expansion of n, 2 <= b <= sqrt(n).

%Y Cf. A028387.

%K base,easy,nonn

%O 4,8

%A _Franklin T. Adams-Watters_, Nov 13 2006