T(n,k)=Number of nXk binary arrays with every 1 immediately preceded by 0 to the left or above.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =7a(5) =3a(6) =5a(7) =20a(8) =20a(9) =5a(10) =8a(11) =61a(12) =102a(13) =61a(14) =8a(15) =13a(16) =182a(17) =565a(18) =565a(19) =182a(20) =13a(21) =21a(22) =547a(23) =3042a(24) =5677a(25) =3042a(26) =547a(27) =21a(28) =34a(29) =1640