1268860317

Appears in sequences

• a(n+1) - 3*a(n) + a(n-1) = (2/3)*(1+w^(n+1)+w^(2*n+2)); a(1) = 0, a(2) = 1; where w is the cubic root of unity.at n=22A072130
• a(n+3) = 3*a(n+2) + 5*a(n+1) + a(n), a(0) = 1, a(1) = 10, a(2) = 37.at n=14A110528
• Number of circular binary sequences of length n with an odd number of 0's and no consecutive 1's.at n=44A366043