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A019223 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RTE = RUB-3 [ Si24O48 ] . 2 R. 0
0, 1, 2, 2, 9, 19, 42, 114, 200, 541, 1245, 3156, 7749, 19302, 50037, 126450, 328007, 855433, 2203762, 5760303, 15014254, 39272601, 103120543, 270926082, 714045925, 1885561006, 4988680648, 13228926950, 35146194424 (list; graph; refs; listen; history; text; internal format)
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: A039796 A224244 A007024 * A192302 A128535 A180753

Adjacent sequences:  A019220 A019221 A019222 * A019224 A019225 A019226

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 17 2019

STATUS

approved

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Last modified September 25 12:11 EDT 2021. Contains 347654 sequences. (Running on oeis4.)