A019180 - OEIS

A019180

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MOR = Mordenite Na8[ Al8Si40O96 ] . 24 H2O.

0, 0, 6, 6, 5, 27, 48, 88, 242, 534, 1295, 3371, 8005, 20318, 52616, 131118, 337153, 878222, 2265242, 5912317, 15506407, 40583900, 106780193, 281722404, 743716917, 1970007288, 5231872992, 13917016645, 37110269578

(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: A350362 A351120 A199664 * A019103 A272619 A172360

Adjacent sequences: A019177 A019178 A019179 * A019181 A019182 A019183

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