%I #7 Oct 19 2017 03:14:31
%S 1,1,2,2,3,3,3,3,4,4,4,4,9,5,5,5,11,6,6,6,13,13,7,7,7,15,23,8,8,25,17,
%T 9,9,9,28,19,10,10,10,31,21,11,11,11,34,23,35,12,12,37,25,38,13,13,13,
%U 27,27,14,14,14,43,29,44,15,15,46,31,47,16,16,16,49,33,50,17,17,69,35,35
%N a(n) = least k such that k*n^(1/n) differs from an integer by at most 1/n.
%t a[n_] := Block[{k = 1}, While[n*Abs[k*n^(1/n) - Round[k*n^(1/n)]] > 1, k++ ]; k]; Table[ a[n], {n, 80}] (* _Robert G. Wilson v_, Jun 09 2004 *)
%K nonn
%O 1,3
%A _Amarnath Murthy_, Jun 02 2004
%E More terms from _Don Reble_, Jun 04 2004
%E More terms from _Robert G. Wilson v_, Jun 09 2004
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