%I #5 Mar 30 2012 16:45:51
%S 0,2,4,10,19,44,76,150,251,432,686,1094,1646,2498,3608,5206,7301,
%T 10160,13814,18718
%N Number of ferrites M_8Y_n that repeat after 6n+40 layers.
%D T. J. McLarnan, The numbers of polytypes ..., Zeits. Krist. 155, 269-291 (1981).
%K nonn,easy
%O 1,2
%A _N. J. A. Sloane_.