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Graham-Sloane-type lower bound on the size of a ternary (n,3,10) constant-weight code.
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%I #9 Apr 02 2020 19:04:31

%S 49,490,2704,10847,35346,99196,248491,568993,1211033,2425515,4614394,

%T 8399563,14714789,24926034,40986248,65631574,102626730,157068288,

%U 235755520,347639496,504362220,720898682,1016315904

%N Graham-Sloane-type lower bound on the size of a ternary (n,3,10) constant-weight code.

%H 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 a(n) = ceiling(binomial(n, w) * 2^w / (2*n + 1)) with w=10.

%K nonn

%O 10,1

%A Mattias Svanstrom (mattias(AT)isy.liu.se)