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A011963 Number of ferrites M_8Y_n that repeat after 6n+40 layers. 0

%I

%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_.

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Last modified July 11 21:16 EDT 2020. Contains 335652 sequences. (Running on oeis4.)