A018962 - OEIS

%I #9 Mar 07 2019 12:44:00

%S 3,11,41,169,978,5369,31352,189377,1176219,7639579,51289700,349864063,

%T 2402860362,16545424606,114072082438

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFR = SAPO-40 [ Si7Al29P28O128 ] . 4 TPA . OH.

%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 07 2019