457907

Appears in sequences

• a(n) = 2*a(n-1) + 7*a(n-2), with a(0) = 0, a(1) = 1.at n=11A015519
• Minimum composite squarefree numbers k such that p(i)+n divides k-n, for n=1, 2, 3, 4,..., where p(i) are the prime factors of k .at n=31A227974
• Least composite squarefree numbers k > n such that p + n divides k - n, for each prime p dividing k.at n=31A382484