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A019135 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite HEU = Heulandite Ca4 [ Al8Si28O72 ] . 24 H2O. +0
1
0, 1, 2, 5, 9, 18, 19, 83, 169, 450, 1125, 2944, 7247, 19186, 47324, 122937, 310406, 802867 (list; graph; listen)
OFFSET

3,3

REFERENCES

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

LINKS

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A000569 A115851 A163734 this_sequence A069957 A091356 A107705

Adjacent sequences: A019132 A019133 A019134 this_sequence A019136 A019137 A019138

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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