Number of nX6 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal.

A223642

Number of nX6 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal.

Terms

    a(0) =22a(1) =484a(2) =4904a(3) =28450a(4) =120307a(5) =428187a(6) =1370104a(7) =4063584a(8) =11337648a(9) =29980136a(10) =75501066a(11) =181755554a(12) =419574383a(13) =931417149a(14) =1993443114a(15) =4122964868a(16) =8258744026a(17) =16054980456a(18) =30348305906a(19) =55882034882a(20) =100405014805a(21) =176305599685

External references