Number of (n+1)X6 binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.

A185746

Number of (n+1)X6 binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.

Terms

    a(0) =344a(1) =12656a(2) =273928a(3) =6315600a(4) =145680504a(5) =3364965408a(6) =77691779712

External references