49320domain: NAppears in sequencesa(n) = n^3 - n^2 + n - 1 = (n-1) * (n^2 + 1).at n=37A062158Number of 2 X 2 matrices having all terms in {1,...,n} and positive even determinant.at n=19A211067Indices of records in A287434.at n=17A287708