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A019058 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite PHI = Phillipsite K2(Ca,Na2)2[ Al6Si10O32 ] . 12 H2O. 0
3, 6, 20, 132, 918, 5768, 34790, 215312, 1391722, 9200963, 61601919, 416696751, 2847867404, 19646977715, 136610674106 (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
CROSSREFS
Sequence in context: A019017 A019049 A019057 * A019050 A019051 A019042
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16)
STATUS
approved

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)