A019050 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite PAU = Paulingite (K2,Ca,Na2)76[ Al152Si520O1344 ].

3, 6, 20, 132, 938, 5733, 34331, 217843, 1415657, 9240592, 61276873, 413691585, 2827480062, 19490660020, 135319158941

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: A019049 A019057 A019058 * A019051 A019042 A019052

Adjacent sequences: A019047 A019048 A019049 * A019051 A019052 A019053

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 28 2019

Status

approved