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A019086 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BRE = Brewsterite (Sr,Ba)2 [ Al4Si12O32 ] . 10 H2O. 0
0, 2, 2, 5, 8, 25, 29, 98, 189, 554, 1136, 3243, 7008, 19592, 45249, 122606, 294165, 792112, 1954846, 5225025, 13231501, 35199804, 90471850, 240660287, 624850650, 1661864454, 4351560901, 11579823213 (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
CROSSREFS
Sequence in context: A209066 A344036 A208938 * A076949 A040009 A227527
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(30) from Sean A. Irvine, Apr 04 2019
STATUS
approved

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)