T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.

A250755

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.

Terms

    a(0) =32a(1) =72a(2) =105a(3) =129a(4) =237a(5) =332a(6) =203a(7) =423a(8) =756a(9) =1029a(10) =294a(11) =663a(12) =1353a(13) =2361a(14) =3152a(15) =402a(16) =957a(17) =2123a(18) =4239a(19) =7272a(20) =9585a(21) =527a(22) =1305a(23) =3066a(24) =6663a(25) =13089a(26) =22197a(27) =29012a(28) =669a(29) =1707

External references