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A019226 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RTH = RUB-13 [ B2Si30O64 ] . 2 R. 0
0, 1, 2, 3, 13, 21, 48, 92, 239, 568, 1162, 2995, 7014, 17505, 44314, 111919, 291041, 747987, 1937201, 5030061, 13021853, 33899044, 88276597, 229956152, 600873033, 1572753949, 4124708368, 10842119417, 28553168700 (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: A037392 A136341 A139563 * A138699 A077248 A282342

Adjacent sequences:  A019223 A019224 A019225 * A019227 A019228 A019229

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 January 21 04:53 EST 2020. Contains 331104 sequences. (Running on oeis4.)