29253domain: NAppears in sequencesPseudo-random numbers: gcc 2.6.3 version for 32-bit integers.at n=6A084276Constant term in the reduction by (x^2 -> x + 1) of the polynomial p(n,x) given in Comments.at n=9A192880Number of 2 X 2 matrices having all terms in {1,...,n} and determinant d satisfying -n < d < n.at n=20A211070