Number of (n+1)X5 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two.

A206193

Number of (n+1)X5 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two.

Terms

    a(0) =68180a(1) =5972392a(2) =527945420a(3) =46704516192

External references