%I M3438 #20 Oct 24 2023 07:11:18
%S 1,1,4,12,30,66,132
%N The coding-theoretic function A(n,4,6).
%C The next term is at least 166.
%D CRC Handbook of Combinatorial Designs, 1996, p. 411.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A. E. Brouwer, <a href="http://www.win.tue.nl/~aeb/codes/Andw.html">Bounds for binary constant weight codes</a>
%H A. E. Brouwer, J. B. Shearer, N. J. A. Sloane and W. D. Smith, <a href="https://doi.org/10.1109/18.59932">New table of constant weight codes</a>, IEEE Trans. Info. Theory 36 (1990), 1334-1380.
%H <a href="/index/Aa#Andw">Index entries for sequences related to A(n,d,w)</a>
%K nonn,hard
%O 6,3
%A _N. J. A. Sloane_