168172domain: NAppears in sequencesNumber of 2 X 2 matrices having all elements in {0,1,...,n} and determinant in the open interval (-n,n).at n=34A211032Number of standard Young tableaux with n cells and 9 as last value in the first row.at n=5A245007a(n) = A348773(2*n).at n=35A348775