T(n,k) is the number of n X k arrays of occupancy after each element moves to some king-move neighbor, with every occupancy equal to zero or two.

A221273

T(n,k) is the number of n X k arrays of occupancy after each element moves to some king-move neighbor, with every occupancy equal to zero or two.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =6a(5) =0a(6) =1a(7) =16a(8) =16a(9) =1a(10) =0a(11) =52a(12) =0a(13) =52a(14) =0a(15) =0a(16) =174a(17) =596a(18) =596a(19) =174a(20) =0a(21) =0a(22) =588a(23) =0a(24) =7252a(25) =0a(26) =588a(27) =0a(28) =1a(29) =1984

External references