A019195 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTW = ZSM-12 Nan[ AlnSi28-nO56 ].

0, 0, 4, 6, 4, 22, 50, 118, 186, 704, 1420, 3678, 8470, 23668, 54792, 146181, 362476, 967161, 2432178, 6515652, 16829286, 44983125, 117818862, 316461687, 837468916, 2250992464, 6002841492, 16168909200, 43313559104

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: A258836 A292387 A208540 * A019089 A173462 A019123

Adjacent sequences: A019192 A019193 A019194 * A019196 A019197 A019198

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 14 2019

Status

approved