Number of 6Xn 0..1 arrays with rows, diagonals and antidiagonals unimodal.

A223673

Number of 6Xn 0..1 arrays with rows, diagonals and antidiagonals unimodal.

Terms

    a(0) =64a(1) =4096a(2) =61996a(3) =321163a(4) =1023339a(5) =2715255a(6) =6789502a(7) =16634224a(8) =40086061a(9) =94218637a(10) =214377471a(11) =470774847a(12) =998649425a(13) =2051656863a(14) =4092563126a(15) =7942987666a(16) =15025087905a(17) =27743027247a(18) =50072239147a(19) =88451496245a(20) =153108327757

External references