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A011962 Number of ferrites M_6Y_n that repeat after 6n+30 layers. +0
1
0, 2, 3, 6, 9, 19, 24, 46, 62, 96, 132, 194, 249, 354, 452, 600, 762, 986, 1212, 1544 (list; graph; listen)
OFFSET

1,2
REFERENCES

T. J. McLarnan, The numbers of polytypes ..., Zeits. Krist. 155, 269-291 (1981).

CROSSREFS

Sequence in context: A032251 A018679 A018741 this_sequence A060172 A003243 A055873

Adjacent sequences: A011959 A011960 A011961 this_sequence A011963 A011964 A011965

KEYWORD

nonn,easy

AUTHOR

njas

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Last modified August 29 14:50 EDT 2008. Contains 143238 sequences.

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