T(n,k) = Number of n X k 0..1 arrays with exactly n+k-1 having value 1 and no three 1's forming an isosceles right triangle.

A272965

T(n,k) = Number of n X k 0..1 arrays with exactly n+k-1 having value 1 and no three 1's forming an isosceles right triangle.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =0a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =1a(11) =0a(12) =0a(13) =0a(14) =1a(15) =1a(16) =1a(17) =1a(18) =1a(19) =1a(20) =1a(21) =1a(22) =0a(23) =9a(24) =0a(25) =9a(26) =0a(27) =1a(28) =1a(29) =1

External references