Number of (n+3)X(7+3) 0..1 arrays with no 4x4 subblock diagonal sum not equal the antidiagonal sum.

A258956

Number of (n+3)X(7+3) 0..1 arrays with no 4x4 subblock diagonal sum not equal the antidiagonal sum.

Terms

    a(0) =169347520a(1) =44522440a(2) =18461564a(3) =6869922a(4) =2456098a(5) =1416722a(6) =918188a(7) =890370a(8) =811958a(9) =1035056a(10) =1196160a(11) =1600718a(12) =2566134a(13) =4124988a(14) =6608642a(15) =11948670a(16) =21543478a(17) =41323796a(18) =77825118a(19) =150708442a(20) =291396336a(21) =575053846a(22) =1132458216

External references