-4508

Appears in sequences

• Expansion of g.f. Product_{n>=1} (1-x^n)*(1-x^(5*n))/(1-x^(3*n))^2.at n=52A054274
• Expansion of (psi(x) * phi(-x)^4)^2 in powers of x where phi(), psi() are Ramanujan theta functions.at n=21A215472
• a(n) = Product_{k=1..n} (k^2 - 2).at n=5A263766