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.

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.

Links

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A019058 A019050 A019051 * A019052 A351492 A368165

Adjacent sequences: A019039 A019040 A019041 * A019043 A019044 A019045

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