Number of (n+2) X (7+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.

A257446

Number of (n+2) X (7+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.

Terms

    a(0) =128a(1) =134a(2) =143a(3) =155a(4) =173a(5) =200a(6) =239a(7) =296a(8) =380a(9) =503a(10) =683a(11) =947a(12) =1334a(13) =1901a(14) =2732a(15) =3950a(16) =5735a(17) =8351a(18) =12185a(19) =17804a(20) =26039a(21) =38108a(22) =55796a(23) =81719a(24) =119711a(25) =175391a(26) =256994a(27) =376589a(28) =551864a(29) =808742

External references