Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.

A259892

Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.

Terms

    a(0) =2212a(1) =13704a(2) =151483a(3) =954624a(4) =5055255a(5) =36899517a(6) =265544204a(7) =1657505754a(8) =10777787104a(9) =74223540333a(10) =493525981009

External references