Number of (n+2)X(1+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 3.

A255794

Number of (n+2)X(1+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 3.

Terms

    a(0) =70a(1) =134a(2) =210a(3) =409a(4) =733a(5) =1318a(6) =2380a(7) =4187a(8) =7603a(9) =13623a(10) =24696a(11) =44353a(12) =79816a(13) =143973a(14) =258962a(15) =467962a(16) =842435a(17) =1519987a(18) =2737645a(19) =4936623a(20) =8901183a(21) =16045214a(22) =28936123a(23) =52152368a(24) =94041997a(25) =169525217a(26) =305673116a(27) =551093021a(28) =993560604a(29) =1791354805

External references