Number of (n+1)X8 binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.

A185796

Number of (n+1)X8 binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.

Terms

    a(0) =4356a(1) =8320a(2) =18616a(3) =59944a(4) =149828a(5) =441004a(6) =1091308a(7) =3629540a(8) =9151956a(9) =29663392a(10) =74544872a(11) =255953372a(12) =646804184a(13) =2216610520a(14) =5586633244a(15) =19681657576a(16) =49743175552a(17) =176195058308a(18) =444048959908

External references