1068210domain: NAppears in sequencesNumber of squarefree words of length 6 in an (n+1)-ary alphabet.at n=9A214945Numbers n such that there exists an x!=n that makes {n,n,x} an amicable multiset.at n=30A259302Abundant numbers n such that sigma(sigma(n) - 2*n) = sigma(n).at n=33A292365