T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2 or 3 horizontally or vertically adjacent elements, with upper left element zero.

A301608

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2 or 3 horizontally or vertically adjacent elements, with upper left element zero.

Terms

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

External references