3369318

Appears in sequences

• a(n+2) = 5*a(n+1) - 2*a(n), with a(0) = 1, a(1) = 4.at n=10A052913
• a(n) = 5*a(n-2) - 2*a(n-4), with initial terms 0,1,2,4.at n=21A079162