T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.

A221328

T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.

Terms

    a(0) =1a(1) =3a(2) =1a(3) =7a(4) =17a(5) =1a(6) =17a(7) =119a(8) =99a(9) =1a(10) =41a(11) =866a(12) =2008a(13) =577a(14) =1a(15) =99a(16) =6328a(17) =46105a(18) =33873a(19) =3363a(20) =1a(21) =239a(22) =46211a(23) =1010078a(24) =2460824a(25) =571358a(26) =19601a(27) =1a(28) =577a(29) =337274

External references