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%I #3 Mar 30 2012 16:50:47
%S 2,3,3,4,4,5,5,5,6,6,7,7,7,8,8,8,9,9,9,10,10,10,11,11,11,12,12,12,13,
%T 13,13,14,14,14,14,15,15,15,16,16,16,17,17,17,17,18,18,18,19,19,19,19,
%U 20,20,20,21,21,21,21,22,22,22,22,23,23,23,24,24,24,24,25,25,25,25,26,26,26,27
%N Floor(3n/2log(n+1)).
%K nonn
%O 2,1
%A _N. J. A. Sloane_, Feb 06 2008, following a suggestion of M. F. Hasler.
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