A019044 - OEIS

%I #10 Mar 27 2019 07:08:43

%S 3,8,50,261,1500,7448,38286,217801,1323607,8389835,54887530,368925844,

%T 2526737185,17469769442,121397755363

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite OFF = Offretite (Ca,Mg)1.5K[ Al4Si14O36 ] . 14 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 27 2019