20460402

Appears in sequences

• a(n) = sigma(n)*Pell(n), where sigma(n) = A000203(n), the sum of divisors of n.at n=16A204271
• a(n) = [x^n] (x^5 + 5*x^4 + 4*x^3 - 3*x + 1)/(x^2 + 2*x - 1)^2.at n=18A361732