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A011964 Number of ferrites M_{10}Y_n that repeat after 6n+50 layers. 0
0, 3, 5, 18, 38, 100, 198, 445, 829, 1605, 2851, 5014, 8361, 13843, 21907, 34362, 52327, 78571, 115434, 167695 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

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

CROSSREFS

Sequence in context: A136131 A143546 A069066 * A123793 A196420 A199676

Adjacent sequences:  A011961 A011962 A011963 * A011965 A011966 A011967

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 14:17 EST 2012. Contains 206035 sequences.