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A018988
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATT = AlPO4-12-TAMU [ Al12P12O48 ] . 4 R.
0
2, 4, 24, 174, 1056, 5888, 36040, 236972, 1551794, 10248112, 68980166, 470576013, 3239450594, 22488650598, 157362252838
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A019010 A275553 A009672 * A012587 A012292 A211934
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 15 2019
STATUS
approved