123882

Appears in sequences

• a(n) = 256*n^2 - n.at n=21A158010
• a(n) = 1024*n^2 - 2*n.at n=10A158420
• a(n) = 484*n^2 - 22.at n=15A158627
• Expansion of Product_{k>=1} 1/(1 - x^k)^(d(k)-1), where d(k) = number of divisors of k (A000005).at n=41A318783