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A018987 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATS = MAPO-36 H[ MgAl11P12O48 ]. 0
2, 8, 52, 216, 1184, 6715, 38070, 236911, 1513556, 10014921, 68149007, 471361443, 3294708504, 23177870025, 163776870956 (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: A249747 A191480 A013555 * A030518 A123188 A027329

Adjacent sequences:  A018984 A018985 A018986 * A018988 A018989 A018990

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 14 2019

STATUS

approved

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Last modified January 28 00:32 EST 2020. Contains 331313 sequences. (Running on oeis4.)