A018985 - OEIS

%I #12 Jan 15 2025 03:33:43

%S 2,8,44,192,1120,6399,37026,234776,1511252,10094812,69021059,

%T 478380828,3345830521,23526339472,166108021408

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATS = MAPO-36 H[MgAl11P12O48] starting with a T1 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 2,1

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

%E a(11)-a(16) from _Sean A. Irvine_, Mar 13 2019