356608

Appears in sequences

• a(n+1) = 4*(a(n)+a(n-1)) for n>1, a(1)=1, a(2)=6.at n=9A108051
• Expansion of (1+4*x-12*x^2-16*x^3)/((2*x+1)*(2*x-1)*(4*x^2+4*x-1)).at n=8A110046