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A019076 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BIK = Bikitaite Li2 [ Al2Si4O12 ] . 2 H2O. 0
0, 0, 2, 6, 6, 16, 34, 92, 256, 576, 1374, 3594, 9776, 24120, 60318, 158240, 417258, 1073864, 2808084, 7437688, 19653510, 52051176, 138619116, 369852718, 989005920, 2652718066, 7128563698, 19191807302 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=3..30.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A098571 A194120 A161503 * A197109 A111410 A240087

Adjacent sequences:  A019073 A019074 A019075 * A019077 A019078 A019079

KEYWORD

nonn,more

AUTHOR

Georg Thimm (mgeorg(AT)ntu.edu.sg)

EXTENSIONS

a(20)-a(30) from Sean A. Irvine, Apr 02 2019

STATUS

approved

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Last modified July 22 07:23 EDT 2019. Contains 325216 sequences. (Running on oeis4.)