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A019128 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan [ AlnSi112-n O224 ]. 0
0, 1, 4, 1, 10, 28, 48, 81, 254, 633, 1294, 3294, 8814, 20833, 52532, 138633, 352768, 906313, 2379672, 6221455, 16285472, 42966251, 113590300, 300405217, 796788406, 2117933593, 5634362070, 15011420863 (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..30.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A178216 A307529 A019213 * A296419 A301390 A283433

Adjacent sequences:  A019125 A019126 A019127 * A019129 A019130 A019131

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(30) from Sean A. Irvine, Apr 07 2019

STATUS

approved

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Last modified November 17 13:33 EST 2019. Contains 329230 sequences. (Running on oeis4.)