370649domain: NAppears in sequencesCycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DDR = Deca-dodecasil 3R[Si120O240]qR starting with a T2 atom.at n=16A019106Numbers n such that A112131(n) and A112131(n+1) are both Harshad numbers.at n=6A109464