%I A030504
%S A030504 2,8,19,38,66,107,160,230,317,424,553,705,883,1088,1324,1591,1891,
%T A030504 2227,2601,3015,3470,3969,4514,5106,5748,6441,7189,7992,8852,9772,
%U A030504 10754,11800,12911,14090,15339,16659,18053,19522,21070,22697
%N A030504 Graham-Sloane-type lower bound on the size of a ternary (n,3,4) constant-weight 
               code.
%H A030504 M. Svanstrom, <a href="http://www.dtr.isy.liu.se/dtr/staff/mattias">A 
               lower bound for ternary constant weight codes</a>, IEEE Trans. on 
               Information Theory, Vol. 43, pp. 1630-1632, Sep. 1997.
%F A030504 a(n) = ceil (binomial (n, w) * 2^w / (2*n + 1))
%Y A030504 Sequence in context: A049525 A109071 A031327 this_sequence A000158 A101427 
               A126877
%Y A030504 Adjacent sequences: A030501 A030502 A030503 this_sequence A030505 A030506 
               A030507
%K A030504 nonn
%O A030504 4,1
%A A030504 Mattias Svanstrom (mattias(AT)isy.liu.se)