OFFSET
3,2
REFERENCES
T. J. McLarnan, The numbers of polytypes ..., Zeits. Krist. 155, 269-291 (1981).
LINKS
J. E. Iglesias, Enumeration of closest-packings by the space group: a simple approach, Z. Krist. 221 (2006) 237-245, Table 3.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved