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A019225 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RTE = RUB-3 [ Si24O48 ] . 2 R. 0
0, 2, 2, 4, 12, 18, 48, 120, 214, 543, 1243, 2938, 7446, 17699, 46859, 117211, 306145, 798676, 2064225, 5392254, 14067406, 36789381, 96591196, 253720348, 668506769, 1764455947, 4666411353, 12367143090, 32841591931 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

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: A136718 A112362 A134720 * A002840 A298477 A253677

Adjacent sequences:  A019222 A019223 A019224 * A019226 A019227 A019228

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 17 2019

STATUS

approved

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Last modified March 3 04:02 EST 2021. Contains 341756 sequences. (Running on oeis4.)