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Search: id:A011959
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A011959 Number of SiC polytypes that repeat after 2n layers. +0
1
0, 0, 1, 1, 0, 1, 1, 1, 1, 3, 3, 4, 7, 11, 15, 24, 36, 55, 81, 129, 195, 301, 465, 728, 1116, 1745, 2717, 4239, 6603, 10357, 16189, 25383, 39807, 62557, 98245, 154608, 243346, 383436, 604346, 953582, 1505106, 2377442, 3757050, 5941269 (list; graph; listen)
OFFSET

1,10

REFERENCES

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

CROSSREFS

Sequence in context: A050064 A137894 A087329 this_sequence A049927 A137417 A137418

Adjacent sequences: A011956 A011957 A011958 this_sequence A011960 A011961 A011962

KEYWORD

nonn,easy

AUTHOR

njas

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.


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