A019205 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[ Al4Si64O136 ] . n H2O.

0, 0, 5, 6, 9, 35, 63, 118, 305, 753, 1599, 3665, 9503, 22510, 52352, 133994, 336327, 831008, 2138550, 5541862, 14304912, 37456378, 98820891, 260803473, 691050714, 1838094729, 4893315369, 13039154698, 34800122439

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..31.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A066901 A273039 A019125 * A191472 A189056 A340325

Adjacent sequences: A019202 A019203 A019204 * A019206 A019207 A019208

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 15 2019

Status

approved