94978domain: NAppears in sequencesNumber of n X 3 0..4 arrays with each element equal to the number its horizontal and vertical zero neighbors.at n=16A197049Numbers k such that there are exactly 9 numbers j for which binomial(k, floor(k/2)) / binomial(k,j) is an integer, i.e., A080383(k) = 9.at n=13A327431