A019097 - OEIS

A019097

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CON = CIT-1 H2[ B2Si54O112 ].

0, 1, 3, 6, 19, 33, 55, 143, 373, 625, 1591, 3352, 7394, 17417, 40868, 94739, 242601, 592513, 1539546, 3983209, 10537005, 27863927, 74589746, 198484953, 531289122, 1413431762, 3765937102, 9987163602, 26495409644

(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: A108972 A304965 A203797 * A347685 A219286 A104264

Adjacent sequences: A019094 A019095 A019096 * A019098 A019099 A019100

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 04 2019

STATUS

approved