51388domain: NAppears in sequencesCycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite VFI = VPI-5 [ Al18P18O72 ]. 42 H2O.at n=6A019063Numbers n such that 3*2^(n-1) - 1 is prime.at n=38A091997