1,1
P. Lisonek, New maximal two-distance sets, J. Combin. Theory, A 77 (1997), 318-338.
Sequence in context: A143909 A139454 A171888 * A031461 A085183 A133759
Adjacent sequences: A028943 A028944 A028945 * A028947 A028948 A028949
nonn,hard,nice
N. J. A. Sloane (njas(AT)research.att.com).