A019082 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BOG = Boggsite Na4Ca7 [ Al18Si78O192 ] . 74 H2O.

0, 2, 1, 6, 6, 23, 36, 119, 227, 589, 1359, 3188, 7670, 18602, 44166, 112968, 277559, 709844, 1822376, 4722522, 12264221, 32333400, 84913975, 224483618, 594320672, 1574948429, 4178364647, 11090768762

Offset

3,2

References

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

Links

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

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A113336 A113979 A053442 * A345323 A052636 A172430

Adjacent sequences: A019079 A019080 A019081 * A019083 A019084 A019085

Keyword

nonn,more

Author

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

Extensions

a(20)-a(30) from Sean A. Irvine, Apr 03 2019

Status

approved