79485

Appears in sequences

• Odd numbers with exactly 4 distinct palindromic prime factors.at n=31A046406
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1000-1111-0101 pattern in any orientation.at n=17A147182
• a(n) = 1 + 4*n*(1 + 2*n^2)/3.at n=31A171272
• a(n) = sigma_2(n)*sigma_3(n)/sigma(n).at n=17A320917