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A019169 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ]. 0
0, 1, 3, 4, 11, 30, 51, 113, 305, 639, 1418, 3463, 8352, 20344, 50282, 127499, 328081, 844151, 2196789, 5779470, 15214133, 40183798, 106645372, 283296505, 753426544, 2008037446, 5357984493, 14309900503, 38268992446 (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..31.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A268478 A180363 A100845 * A049979 A084378 A038559

Adjacent sequences:  A019166 A019167 A019168 * A019170 A019171 A019172

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 11 2019

STATUS

approved

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Last modified November 20 02:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)