A019106 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, 5, 0, 2, 33, 23, 73, 339, 501, 1272, 4159, 8796, 21947, 60807, 146525, 370649, 977008, 2488685, 6451966, 16969213, 44362809, 116868000, 309416308, 819440761, 2179359337, 5810665522, 15513625276

Offset

3,3

References

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

Links

Table of n, a(n) for n=3..30.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A077496 A346120 A190913 * A051566 A051567 A361980

Adjacent sequences: A019103 A019104 A019105 * A019107 A019108 A019109

Keyword

nonn,more

Author

Georg Thimm (mgeorg(AT)ntu.edu.sg)

Extensions

a(21)-a(30) from Sean A. Irvine, Apr 04 2019

Status

approved