T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A316953
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =2a(7) =25a(8) =25a(9) =2a(10) =3a(11) =98a(12) =160a(13) =98a(14) =3a(15) =5a(16) =383a(17) =1240a(18) =1240a(19) =383a(20) =5a(21) =8a(22) =1493a(23) =9417a(24) =18956a(25) =9417a(26) =1493a(27) =8a(28) =13a(29) =5824
External references
- oeis: A316953