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%I #5 Mar 30 2012 16:47:28
%S 0,0,0,0,1,3,10,28,71,165,361,754,1503,2893,5393,9773,17273,29860,
%T 50557,84024,137228,220542,349128,544980,839453
%N Number of indecomposable binary [ n,4 ] codes without 0 columns.
%D H. Fripertinger and A. Kerber, in AAECC-11, Lect. Notes Comp. Sci. 948 (1995), 194-204.
%H H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a>
%Y Cf. A034253, A034254, A034344-.
%K nonn
%O 1,6
%A _N. J. A. Sloane_.