A019204 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, 5, 7, 32, 67, 119, 314, 783, 1647, 3784, 9819, 22798, 53086, 136574, 340934, 838637, 2163613, 5611561, 14448253, 37842027, 99967617, 263651406, 698535279, 1859441868, 4950806428, 13193880214, 35230550532

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: A284129 A077956 A077977 * A301733 A114367 A093311

Adjacent sequences: A019201 A019202 A019203 * A019205 A019206 A019207

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