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A011963 Number of ferrites M_8Y_n that repeat after 6n+40 layers. 0
0, 2, 4, 10, 19, 44, 76, 150, 251, 432, 686, 1094, 1646, 2498, 3608, 5206, 7301, 10160, 13814, 18718 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
REFERENCES
T. J. McLarnan, The numbers of polytypes ..., Zeits. Krist. 155, 269-291 (1981).
LINKS
CROSSREFS
Sequence in context: A295961 A219555 A263738 * A083844 A026554 A259132
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified May 20 23:09 EDT 2024. Contains 372720 sequences. (Running on oeis4.)