1326665

Appears in sequences

• a(1)=2, a(2)=5, a(n)=2*a(n-1) + 5*a(n-2).at n=11A189734
• Number of (n+2) X (2+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1.at n=10A255021