A018997 - OEIS

%I #10 Mar 19 2019 04:18:16

%S 2,7,36,230,1104,6657,38976,247431,1617560,10806202,73706144,

%T 510591393,3568689922,25130781435,178056349424

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite CAN = Cancrinite Na6[ Al6Si6O24 ] . CaCO3 . 2 H2O.

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

%H G. Thimm, <a href="/thimm1.html">Cycle sequences of crystal structures</a>

%K nonn,more

%O 2,1

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

%E a(11)-a(16) from _Sean A. Irvine_, Mar 19 2019