-8201

Appears in sequences

• Expansion of x*(2 + x)/(1 + x + 41*x^2).at n=5A141527
• a(n) = 7 + 12*n - 6*n^2.at n=38A157517
• G.f. satisfies A(x) = 1 + x/(1 + x^4)^2 * A(x/(1 + x^4)).at n=18A360901