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A019157 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MEP = Melanophlogite [ Si46O92 ] . q R. 0
0, 0, 6, 0, 0, 39, 30, 45, 363, 612, 1041, 4071, 9711, 20430, 59787, 159786, 383781, 1021164, 2752449, 7053003, 18541263, 49793187, 131441724, 348186552, 934113951, 2498081733, 6679327998, 17970661326, 48405846876 (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: A028700 A278014 A230337 * A019184 A019185 A229510

Adjacent sequences:  A019154 A019155 A019156 * A019158 A019159 A019160

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 10 2019

STATUS

approved

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Last modified January 29 04:57 EST 2020. Contains 331335 sequences. (Running on oeis4.)