A018951 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AET = AlPO4-8 [ Al36P36O144 ].

2, 16, 34, 261, 1054, 7154, 40978, 273252, 1750672, 11774812, 79284286, 546309289, 3803238482, 26854369810, 191472135408

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: A009819 A189332 A230937 * A019064 A123135 A327542

Adjacent sequences: A018948 A018949 A018950 * A018952 A018953 A018954

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 04 2019

Status

approved