71272673

Properties

Appears in sequences

• Number of subsequences of [ 1,...,n ] in which each odd number has an even neighbor.at n=29A007455
• a(n) = 3*a(n-1) + 2*a(n-2), with a(0)=1, a(1)=5.at n=14A007483
• Prime numbersat n=4188466