T(n,k)=Number of n X k arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, with no occupancy greater than 2.
A221378
T(n,k)=Number of n X k arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, with no occupancy greater than 2.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =7a(4) =19a(5) =7a(6) =17a(7) =139a(8) =139a(9) =17a(10) =41a(11) =1035a(12) =3017a(13) =1035a(14) =41a(15) =99a(16) =7723a(17) =68006a(18) =68006a(19) =7723a(20) =99a(21) =239a(22) =57643a(23) =1548941a(24) =4616125a(25) =1548941a(26) =57643a(27) =239a(28) =577a(29) =430251
External references
- oeis: A221378