A019163 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ].

0, 0, 5, 7, 7, 28, 67, 113, 281, 690, 1450, 3359, 8590, 20542, 49507, 127719, 328222, 836251, 2183226, 5752972, 15123063, 40005561, 106343713, 282743044, 752928537, 2008752748, 5363109922, 14330737673, 38333393789

Offset

3,3

References

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

Links

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A126992 A028316 A377656 * A228970 A266712 A021177

Adjacent sequences: A019160 A019161 A019162 * A019164 A019165 A019166

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 11 2019

Status

approved