T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out left turns.
A221780
T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out left turns.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =8a(4) =25a(5) =1a(6) =21a(7) =258a(8) =184a(9) =1a(10) =55a(11) =2631a(12) =7676a(13) =1367a(14) =1a(15) =144a(16) =26861a(17) =311500a(18) =230621a(19) =10179a(20) =1a(21) =377a(22) =273816a(23) =12449782a(24) =36959565a(25) =6911480a(26) =75782a(27) =1a(28) =987a(29) =2792384
External references
- oeis: A221780