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A019110
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, 0, 6, 0, 5, 40, 38, 109, 382, 608, 1500, 4292, 9039, 22477, 59362, 141933, 360498, 936383, 2374995, 6163926, 16131189, 42120963, 111089187, 293945075, 778899722, 2073942962, 5532134978, 14779583083, 39587666306
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A195368 A198426 A335614 * A280508 A217221 A158090
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