A018951 - OEIS

A018951

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AET = AlPO4-8 [Al36P36O144] starting with a T5 atom.

2, 16, 34, 261, 1054, 7154, 40978, 273252, 1750672, 11774812, 79284286, 546309289, 3803238482, 26854369810, 191472135408

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,1

REFERENCES

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

LINKS

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A009819 A189332 A230937 * A019064 A123135 A327542

Adjacent sequences: A018948 A018949 A018950 * A018952 A018953 A018954

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 04 2019

STATUS

approved