Number of (n+1) X 3 binary arrays with no 2 X 2 subblock sum equal to any horizontal or vertical neighbor 2 X 2 subblock sum.

A185791

Number of (n+1) X 3 binary arrays with no 2 X 2 subblock sum equal to any horizontal or vertical neighbor 2 X 2 subblock sum.

Terms

    a(0) =40a(1) =96a(2) =224a(3) =576a(4) =1408a(5) =3456a(6) =8320a(7) =20864a(8) =50816a(9) =125312a(10) =304768a(11) =756096a(12) =1844864a(13) =4548992a(14) =11110016a(15) =27429248a(16) =67069568a(17) =165194112a(18) =404309632a(19) =995805568a(20) =2438669952a(21) =6000273792a(22) =14703462016a(23) =36167944576a(24) =88660698752a(25) =217982249344

External references