131202

Appears in sequences

• Pisot sequence T(3,10), a(n) = floor(a(n-1)^2/a(n-2)).at n=9A018920
• Number of (n+2)X(2+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3.at n=2A252442
• Number of (n+2)X(3+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3.at n=1A252443
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3.at n=7A252447
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3.at n=8A252447
• Bitmaps of king + rook vs. king checkmate patterns on a standard 8 X 8 board.at n=18A362950