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

A258960

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

Terms

    a(0) =158a(1) =344a(2) =274a(3) =467a(4) =614a(5) =951a(6) =1228a(7) =1951a(8) =2652a(9) =4261a(10) =5688a(11) =9170a(12) =12562a(13) =20311a(14) =27308a(15) =44158a(16) =60442a(17) =97842a(18) =131938a(19) =213491a(20) =291732a(21) =472335a(22) =638108a(23) =1032723a(24) =1409172a(25) =2281540a(26) =3086358a(27) =4995377a(28) =6808672a(29) =11023318

External references