230008587

Appears in sequences

• a(n) = 5*a(n-2) - 2*a(n-4), with initial terms 0,1,1,3.at n=27A005824
• a(n) = 5*a(n-1) - 2*a(n-2) for n>1, with a(0) = 1, a(1) = 3.at n=13A052984
• a(n) = -5*a(n-1)-2*a(n-2), n>1 ; a(0)=1, a(1)=-1 .at n=14A152594