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A019224 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, 1, 3, 7, 19, 36, 116, 191, 542, 1204, 3076, 7560, 18747, 48658, 123404, 319762, 834216, 2150894, 5618417, 14633980, 38301246, 100457886, 264025831, 695595699, 1836677008, 4858965343, 12883544605, 34226273926 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures.

G. Thimm, Personal website (archived).

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19(5-6) (1997), 422-424.

Georg Thimm, A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures, Dissertation, Goethe University Frankfurt, Germany, 2008.

CROSSREFS

Sequence in context: A294620 A010758 A259419 * A298096 A053190 A135299

Adjacent sequences:  A019221 A019222 A019223 * A019225 A019226 A019227

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 October 16 05:13 EDT 2021. Contains 348035 sequences. (Running on oeis4.)