T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.

A278094

T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =0a(6) =0a(7) =3a(8) =3a(9) =0a(10) =0a(11) =10a(12) =16a(13) =10a(14) =0a(15) =0a(16) =27a(17) =66a(18) =66a(19) =27a(20) =0a(21) =0a(22) =76a(23) =351a(24) =670a(25) =351a(26) =76a(27) =0a(28) =0a(29) =214

External references