T(n,k) is the number of n X k binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.

A183322

T(n,k) is the number of n X k binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.

Terms

    a(0) =2a(1) =3a(2) =3a(3) =5a(4) =6a(5) =5a(6) =8a(7) =13a(8) =13a(9) =8a(10) =13a(11) =27a(12) =43a(13) =27a(14) =13a(15) =21a(16) =57a(17) =124a(18) =124a(19) =57a(20) =21a(21) =34a(22) =119a(23) =377a(24) =480a(25) =377a(26) =119a(27) =34a(28) =55a(29) =250

External references