%I A028946
%S A028946 2,5,6,9,10,12
%N A028946 Maximal cardinality of 2-distance set in R^n with distance ratio tau.
%D A028946 P. Lisonek, New maximal two-distance sets, J. Combin. Theory, A 77 (1997), 
               318-338.
%Y A028946 Sequence in context: A007573 A143909 A139454 this_sequence A031461 A085183 
               A133759
%Y A028946 Adjacent sequences: A028943 A028944 A028945 this_sequence A028947 A028948 
               A028949
%K A028946 nonn,hard,nice
%O A028946 1,1
%A A028946 N. J. A. Sloane (njas(AT)research.att.com).