login
A019042
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite MER = Merlinoite K5Ca2[ Al9Si23O64 ] . 24 H2O.
0
3, 6, 20, 140, 966, 5390, 32776, 218196, 1427470, 9221421, 60963627, 413293166, 2835046599, 19571741490, 136026021144
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A019058 A019050 A019051 * A019052 A351492 A368165
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 27 2019
STATUS
approved