Number of nX7 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

A224352

Number of nX7 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

Terms

    a(0) =36a(1) =1296a(2) =26610a(3) =363392a(4) =3816783a(5) =34697869a(6) =300892325a(7) =2654062881a(8) =24422915139a(9) =233364588801

External references