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A018983 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATN = MAPO-39 Hn [ MgnAl8-n P8O32 ]. 0
2, 6, 35, 160, 1026, 6251, 39860, 258021, 1710770, 11553916, 78929862, 546477542, 3822747838, 26980876665, 191958821704 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A228931 A101262 A135965 * A279736 A081003 A038181

Adjacent sequences:  A018980 A018981 A018982 * A018984 A018985 A018986

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 13 2019

STATUS

approved

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Last modified November 19 20:42 EST 2019. Contains 329323 sequences. (Running on oeis4.)