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A019015

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ERI = Erionite (Na2,Ca..)3.5 K2 [ Al9Si27O72 ] . 27 H2O.

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3, 8, 49, 259, 1478, 7448, 38788, 219569, 1333733 (list; graph; listen)

	OFFSET	`2,1`
	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: A034183 A003216 A146161 this_sequence A000862 A005444 A019044` `Adjacent sequences: A019012 A019013 A019014 this_sequence A019016 A019017 A019018`
	KEYWORD	`nonn`
	AUTHOR	`Georg Thimm (mgeorg(AT)ntu.edu.sg)`

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

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