228287

Appears in sequences

• Pisot sequence T(4,9), a(n) = floor(a(n-1)^2/a(n-2)).at n=14A019492
• Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101.at n=5A260472
• Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010101.at n=4A260473