T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300267
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6, 7 or 8 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) =26a(8) =26a(9) =8a(10) =16a(11) =88a(12) =95a(13) =88a(14) =16a(15) =32a(16) =298a(17) =375a(18) =375a(19) =298a(20) =32a(21) =64a(22) =1012a(23) =1526a(24) =2030a(25) =1526a(26) =1012a(27) =64a(28) =128a(29) =3440
External references
- oeis: A300267