97844723712domain: NAppears in sequencesa(n) = 2^n*n^2.at n=27A007758Let M_n be the n X n matrix m(i,j) = min(prime(i), prime(j)); then a(n) = det(M_n).at n=21A070323a(n) = n^3*8^n.at n=9A128794a(n) = 9^n * 8^(n^2).at n=3A135320