1938768

Appears in sequences

• a(n) = sigma(n)*Pell(n), where sigma(n) = A000203(n), the sum of divisors of n.at n=13A204271
• a(n) = Pell(n)*A122859(n) for n>=1, with a(0)=1, where A122859 lists the coefficients in phi(-q)^3/phi(-q^3) and phi() is a Ramanujan theta function.at n=14A209452
• Solutions y to the negative Pell equation y^2 = 72*x^2 - 288 with x,y >= 0.at n=7A281234