40012800675domain: NAppears in sequencesa(n) = Sum_{k=0..n} binomial(n,k)*n^(n-k)*A000110(k).at n=10A134980Number of set partitions of [n] such that each block has at most one even element.at n=20A363429Number of set partitions of [n] such that each block has at most one odd element.at n=20A363430