930248

Appears in sequences

• a(n+1) - 3*a(n) + a(n-1) = (2/3)(1+w^(n+1)+w^(2n+2)), where w = exp(2 Pi I / 3).at n=15A071618
• Expansion of (x^2-2*x)/(x^4-x^2+2*x-1).at n=29A108014
• Number of binary strings of length n with no substrings equal to 0000 0001 or 0111.at n=23A164412
• The edge independence number of the Lucas cube Lambda(n).at n=30A245968
• Number of circular binary sequences of length n with an odd number of 0's and no consecutive 1's.at n=29A366043