A018994 - OEIS

This site is supported by donations to The OEIS Foundation.

A018994

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite BPH = Beryllophosphate-H Na7K7 [ Be14P14O56 ] . 20 H2O.

3, 6, 24, 189, 1050, 5130, 29586, 183822, 1132146 (list; graph; refs; listen; history; internal format)

	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: A000717 A076020 A018964 * A117850 A144227 A174473` `Adjacent sequences: A018991 A018992 A018993 * A018995 A018996 A018997`
	KEYWORD	`nonn`
	AUTHOR	`Georg Thimm (mgeorg(AT)ntu.edu.sg)`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 04:45 EST 2012. Contains 205984 sequences.