T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.
A221693
T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =6a(4) =21a(5) =1a(6) =13a(7) =152a(8) =144a(9) =1a(10) =28a(11) =1336a(12) =3112a(13) =987a(14) =1a(15) =60a(16) =11036a(17) =95076a(18) =63676a(19) =6765a(20) =1a(21) =129a(22) =92660a(23) =2627760a(24) =7033429a(25) =1302720a(26) =46368a(27) =1a(28) =277a(29) =774380
External references
- oeis: A221693