196311

Appears in sequences

• a(n) = n^4 + (9/2)*n^3 + n^2 - (9/2)*n + 1.at n=20A003878
• E.g.f. C(x) satisfies: A(x)^2 + B(x)^2 = C(x)^2, such that C'(x) = C(x) + 2*A(x)*B(x).at n=8A292183
• Expansion of 1/((1-x) * (1+4*x) * (1-6*x)).at n=7A383651