Number of (n+1)X3 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

A205903

Number of (n+1)X3 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

Terms

    a(0) =369a(1) =2943a(2) =24045a(3) =201324a(4) =1712907a(5) =14747754a(6) =128014116a(7) =1117395426a(8) =9789931593a(9) =85987653345a(10) =756504850728

External references