A019177 - OEIS

A019177

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFS = ZSM-57 H1.5[Al1.5Si34.5O72] starting with a T6 atom.

0, 2, 2, 3, 8, 16, 38, 93, 226, 536, 1300, 3288, 8030, 19994, 51284, 130110, 333128, 862656, 2238494, 5849827, 15347500, 40380267, 106781828, 282965437, 750949846, 1998509165, 5327291162, 14217409545, 38009367066

(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: A153932 A158763 A001131 * A153941 A184844 A252848

Adjacent sequences: A019174 A019175 A019176 * A019178 A019179 A019180

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 12 2019

STATUS

approved