A018969 - OEIS

%I #11 Jan 15 2025 03:35:58

%S 3,7,41,185,828,4993,32018,201111,1281355,8331777,55434489,374585899,

%T 2549602441,17439189452,119906615481

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFT = AlPO4-52 starting with a T3 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 09 2019