A019002 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite CLO = Cloverite.

3, 14, 23, 138, 762, 4442, 25102, 146540, 841648, 4781880, 27007650, 153778566, 891379388, 5282382746, 31945342924

Offset

2,1

Links

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

Georg Thimm, Cycle sequences of crystal structures.

Georg Thimm, Personal website (archived).

Georg Thimm, A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures, Dissertation, Goethe University Frankfurt, Germany, 2008.

Georg Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19(5-6) (1997), 422-424.

Crossrefs

Sequence in context: A034103 A034113 A099853 * A019003 A019033 A171789

Adjacent sequences: A018999 A019000 A019001 * A019003 A019004 A019005

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 17 2019

Status

approved