login
A019208
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[ Al4Si64O136 ] . n H2O.
0
0, 1, 5, 4, 7, 28, 56, 89, 277, 719, 1443, 3469, 9359, 21650, 51596, 135156, 337846, 839063, 2173763, 5618513, 14449877, 37718711, 99072109, 260146125, 686218682, 1818312665, 4824702901, 12822871344, 34160124755
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A136118 A105665 A019129 * A051553 A203139 A184085
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(31) from Sean A. Irvine, Apr 15 2019
STATUS
approved