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A019122
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan [ AlnSi112-n O224 ].
0
0, 0, 4, 4, 8, 30, 50, 99, 270, 665, 1390, 3282, 8729, 20828, 50354, 132935, 340395, 867459, 2283763, 6011749, 15775606, 41785059, 111035569, 294868281, 784753491, 2093244706, 5586723163, 14924112433, 39928991846
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A038551 A004049 A264172 * A019202 A137717 A096252
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(31) from Sean A. Irvine, Apr 06 2019
STATUS
approved