A018988 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATT = AlPO4-12-TAMU [ Al12P12O48 ] . 4 R.

2, 4, 24, 174, 1056, 5888, 36040, 236972, 1551794, 10248112, 68980166, 470576013, 3239450594, 22488650598, 157362252838

Offset

2,1

References

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

Links

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A019010 A275553 A009672 * A012587 A012292 A211934

Adjacent sequences: A018985 A018986 A018987 * A018989 A018990 A018991

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 15 2019

Status

approved