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A019074 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BEA = Beta Nan [ AlnSi64-n O128 ] with n 7. 0
0, 2, 3, 4, 22, 26, 41, 157, 269, 602, 1505, 3338, 7358, 17635, 41165, 96574, 235239, 573889, 1430146, 3649304, 9383402, 24513758, 64699201, 171618422, 457478062, 1221348009, 3260383689, 8698815741, 23172434460 (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: A081480 A070841 A069801 * A019075 A006709 A115884

Adjacent sequences:  A019071 A019072 A019073 * A019075 A019076 A019077

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 02 2019

STATUS

approved

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Last modified July 21 06:55 EDT 2019. Contains 325192 sequences. (Running on oeis4.)