T(n,k) = number of n X k 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.

A224173

T(n,k) = number of n X k 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.

Terms

    a(0) =4a(1) =16a(2) =10a(3) =50a(4) =100a(5) =20a(6) =130a(7) =684a(8) =400a(9) =35a(10) =296a(11) =3526a(12) =4739a(13) =1225a(14) =56a(15) =610a(16) =14751a(17) =38561a(18) =22988a(19) =3136a(20) =84a(21) =1163a(22) =52591a(23) =242114a(24) =272130a(25) =87878a(26) =7056a(27) =120a(28) =2083a(29) =165212

External references