-307200

Appears in sequences

• Expansion of q^(-1) * (phi(q^2) * phi(-q) / psi(-q^2)^2)^2 in powers of q where phi(), psi() are Ramanujan theta functions.at n=25A233458
• a(n) = n^4 * Sum_{d|n} (-1)^(n/d + 1) * mu(d) / d^4.at n=23A338549