30530domain: NAppears in sequencesNumber of n-covers of an unlabeled 3-set.at n=14A005745Numbers n such that there is k < n for which A003557(k) = A003557(n), A048250(k) = A048250(n) and A173557(k) = A173557(n).at n=3A296087Number of cyclic binary sequences of length n containing no abelian 4th powers.at n=41A305594