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

A221269

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

Terms

    a(0) =1a(1) =3a(2) =3a(3) =7a(4) =19a(5) =7a(6) =17a(7) =141a(8) =141a(9) =17a(10) =41a(11) =1073a(12) =3119a(13) =1073a(14) =41a(15) =99a(16) =8203a(17) =71977a(18) =71977a(19) =8203a(20) =99a(21) =239a(22) =62771a(23) =1688295a(24) =5007745a(25) =1688295a(26) =62771a(27) =239a(28) =577a(29) =480437

External references