-15680

Appears in sequences

• Signed double Pochhammer triangle: expansion of x(x-2)(x-4)..(x-2n+2).at n=32A039683
• Expansion of phi(q^4) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=21A112128
• Expansion of f(-x^3)^3 / (f(-x^2) * f(-x^4)^2) in powers of x where f() is a Ramanujan theta function.at n=43A262150