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A019262 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite WEI = Weinebeneite Ca4[ Be12P8O32(OH)8 ] . 16 H2O. 0
1, 1, 0, 1, 5, 14, 29, 58, 127, 302, 822, 2247, 5672, 13791, 33072, 78645, 190220, 473207, 1193723, 3025903, 7709161, 19692253, 50285163, 128449374, 328618470, 842176063, 2162960783, 5569492484, 14375282496, 37179022755 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,5

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..32.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A319007 A211651 A299291 * A212919 A280230 A076042

Adjacent sequences:  A019259 A019260 A019261 * A019263 A019264 A019265

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(32) from Sean A. Irvine, Apr 20 2019

STATUS

approved

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Last modified October 19 03:10 EDT 2021. Contains 348073 sequences. (Running on oeis4.)