login
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 ].
0
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.
CROSSREFS
Sequence in context: A019049 A019057 A019058 * A019051 A019042 A019052
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