200559domain: NAppears in sequencesCycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite CHA = Chabazite Ca6[ Al12Si24O72 ] . 40 H2O.at n=7A018998Numbers n such that A160691(n) = A160691(n+1) = A160691(n+2) = 8.at n=4A158964