A019076 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BIK = Bikitaite Li2 [ Al2Si4O12 ] . 2 H2O.

0, 0, 2, 6, 6, 16, 34, 92, 256, 576, 1374, 3594, 9776, 24120, 60318, 158240, 417258, 1073864, 2808084, 7437688, 19653510, 52051176, 138619116, 369852718, 989005920, 2652718066, 7128563698, 19191807302

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: A098571 A194120 A161503 * A197109 A111410 A240087

Adjacent sequences: A019073 A019074 A019075 * A019077 A019078 A019079

Keyword

nonn,more

Author

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

Extensions

a(20)-a(30) from Sean A. Irvine, Apr 02 2019

Status

approved