A019130 - OEIS

%I #9 Apr 08 2019 06:20:58

%S 0,0,4,3,2,26,38,62,242,558,1202,3340,8696,21250,54336,141989,363816,

%T 934293,2445407,6400169,16733638,44132199,116636298,308224217,

%U 817910147,2174929052,5787607643,15438812813,41263843971

%N Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite FER = Ferrierite Na2Mg2[ Al6Si30O72 ] . 18 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 08 2019