89792639

Appears in sequences

• a(n) = 5*a(n-2) - 2*a(n-4), with initial terms 0,1,1,3.at n=26A005824
• a(n) = 5*a(n-1) - 2*a(n-2); a(0)=1, a(1)=5.at n=12A107839
• a(n) = 5*a(n-2) - 2*a(n-4), n >= 4.at n=24A109165
• Expansion of (1+2*x-x^3) / (1-5*x^2+2*x^4).at n=24A384611