T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A317517
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =8a(5) =4a(6) =8a(7) =32a(8) =32a(9) =8a(10) =16a(11) =128a(12) =255a(13) =128a(14) =16a(15) =32a(16) =512a(17) =2032a(18) =2032a(19) =512a(20) =32a(21) =64a(22) =2048a(23) =16193a(24) =32256a(25) =16193a(26) =2048a(27) =64a(28) =128a(29) =8192
External references
- oeis: A317517