A019240 - OEIS

%I #9 Apr 18 2019 16:21:06

%S 0,1,2,8,8,17,36,92,150,450,994,2538,6376,16262,41688,106612,276186,

%T 715846,1842938,4781414,12339054,32042540,83067330,215979914,

%U 562923018,1469848660,3846114754,10088441010,26508267458

%N Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite STI = Stilbite Na4Ca8[ Al20Si52O144 ] . 56 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 3,3

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

%E a(21)-a(31) from _Sean A. Irvine_, Apr 18 2019