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A019111
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DDR = Deca-dodecasil 3R [ Si120O240 ]q R.
0
0, 1, 4, 0, 7, 27, 33, 104, 302, 557, 1436, 3780, 8483, 21634, 55744, 137371, 354163, 916762, 2354000, 6149728, 16101636, 42225647, 111610989, 295365408, 783336821, 2085927781, 5561256688, 14852499506, 39762167485
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A248931 A200501 A141433 * A182158 A103554 A261278
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 05 2019
STATUS
approved