%I #6 Mar 31 2012 10:28:59
%S 1,3,15,86,522,3241,20256,126520
%N Number of n-cell fixed line-convex polycubes in 3 dimensions.
%C A polycube is "line-convex" if every axis-parallel line intersects it in at most one continuous sequence of cells.
%D G. Aleksandrowicz and G. Barequet, Parallel enumeration of lattice animals, Proc. 5th Int. Frontiers of Algorithmics Workshop, Zhejiang, China, Lecture Notes in Computer Science, 6681, Springer-Verlag, 90-99, May 2011.
%Y Cf. A067675 (convex polyominoes).
%K nonn,more,hard
%O 1,2
%A _Gill Barequet_, May 26 2011