T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns.

A221736

T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns.

Terms

    a(0) =1a(1) =3a(2) =1a(3) =8a(4) =17a(5) =1a(6) =21a(7) =152a(8) =91a(9) =1a(10) =55a(11) =1347a(12) =2904a(13) =489a(14) =1a(15) =144a(16) =11917a(17) =89920a(18) =54888a(19) =2627a(20) =1a(21) =377a(22) =105408a(23) =2756353a(24) =5962648a(25) =1038128a(26) =14113a(27) =1a(28) =987a(29) =932331

External references