A019244 - OEIS

%I #12 Jan 16 2025 03:45:07

%S 0,0,4,6,4,14,58,92,210,634,1502,3394,9168,23090,57376,148201,387626,

%T 999878,2611796,6901985,18213420,48189019,128283468,342172298,

%U 913765356,2447082537,6567061364,17646783586,47498319984

%N Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite TON = Theta-1 Nan[AlnSi24-nO48] starting with a T2 atom.

%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