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A019195 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTW = ZSM-12 Nan[ AlnSi28-nO56 ]. 0
0, 0, 4, 6, 4, 22, 50, 118, 186, 704, 1420, 3678, 8470, 23668, 54792, 146181, 362476, 967161, 2432178, 6515652, 16829286, 44983125, 117818862, 316461687, 837468916, 2250992464, 6002841492, 16168909200, 43313559104 (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: A258836 A292387 A208540 * A019089 A173462 A019123

Adjacent sequences:  A019192 A019193 A019194 * A019196 A019197 A019198

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 14 2019

STATUS

approved

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Last modified January 21 12:58 EST 2022. Contains 350477 sequences. (Running on oeis4.)