%I #7 Mar 30 2012 16:49:31
%S 1,1,2,3,5,10,20,42,102,276,857,3233,15113,91717,751479
%N Number of inequivalent projective binary linear [n,k] codes of any dimension k <= n. Also the number of simple binary matroids on n points.
%C A code is projective if all columns are distinct and nonzero.
%D H. Fripertinger and A. Kerber, in AAECC-11, Lect. Notes Comp. Sci. 948 (1995), 194-204.
%D D. Slepian, Some further theory of group codes. Bell System Tech. J. 39 1960 1219-1252.
%D M. Wild, Enumeration of binary and ternary matroids and other applications of the Brylawski-Lucas Theorem, Preprint Nr. 1693, Tech. Hochschule Darmstadt, 1994
%H H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a>
%H <a href="/index/Coa#codes_binary_linear">Index entries for sequences related to binary linear codes</a>
%Y Row sums of A076833. A diagonal of A091008.
%K nonn,more
%O 1,3
%A _N. J. A. Sloane_, Nov 21 2002
%E More terms from Marcel Wild, Nov 26 2002