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A011960 Number of ferrites M_2Y_n that repeat after 6n+10 layers. 0
0, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 3, 2, 3, 3, 3, 3, 4, 3, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
LINKS
T. J. McLarnan, The numbers of polytypes in close-packings and related structures, Zeits. Krist. 155, 269-291 (1981)
CROSSREFS
Sequence in context: A078704 A306468 A032358 * A187035 A008615 A103221
KEYWORD
nonn,more
AUTHOR
STATUS
approved

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Last modified June 17 15:57 EDT 2024. Contains 373463 sequences. (Running on oeis4.)