Number of 5Xn 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

A224356

Number of 5Xn 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

Terms

    a(0) =243a(1) =7776a(2) =45064a(3) =160362a(4) =495985a(5) =1421762a(6) =3816783a(7) =9630357a(8) =22913143a(9) =51614480a(10) =110565824a(11) =226229854a(12) =443991585a(13) =839005884a(14) =1531899199a(15) =2710956117a(16) =4662807601a(17) =7814081454a(18) =12786980756a(19) =20472326754a(20) =32124242991a(21) =49481371374

External references