A018950 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 ].

1, 14, 34, 269, 1202, 7994, 46169, 303556, 1940569, 12977533, 87080228, 597278594, 4140573533, 29113967540, 206824647665

Offset

2,2

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: A103533 A269663 A046425 * A159242 A054309 A321135

Adjacent sequences: A018947 A018948 A018949 * A018951 A018952 A018953

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 03 2019

Status

approved