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A019246
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite TON = Theta-1 Nan[ AlnSi24-nO48 ].
0
0, 0, 4, 8, 4, 20, 68, 108, 256, 706, 1592, 3592, 9476, 23558, 57164, 146824, 382308, 979768, 2546128, 6726610, 17736940, 46885242, 124830600, 333145774, 889811108, 2383411046, 6398296760, 17195614290, 46283797072
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A055374 A275876 A255293 * A019192 A376486 A285624
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 18 2019
STATUS
approved