%I #4 Dec 04 2013 14:00:36
%S 1,1,2,3,9,22,85,363,2436,26750,611036
%N Number of indecomposable self-dual additive codes of length n over GF(4) with minimal distance 2.
%H Lars Eirik Danielsen and Matthew G. Parker, <a href="http://arxiv.org/abs/cs/0504102">Spectral Orbits and Peak-to-Average Power Ratio of Boolean Functions with respect to the {I,H,N}^n Transform</a>, (2005), arxiv:cs/0504102. In Sequences and Their Applications-SETA 2004, Lecture Notes in Computer Science, Volume 3486/2005, Springer-Verlag
%Y Cf. A151826, A151827, A090899.
%K nonn
%O 2,3
%A _N. J. A. Sloane_, Jul 12 2009