T(n,k) = Number of (n+2) X (k+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.
A255101
T(n,k) = Number of (n+2) X (k+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.
Terms
- a(0) =36a(1) =77a(2) =77a(3) =179a(4) =189a(5) =179a(6) =419a(7) =539a(8) =539a(9) =419a(10) =991a(11) =1475a(12) =1838a(13) =1475a(14) =991a(15) =2345a(16) =4075a(17) =6110a(18) =6110a(19) =4075a(20) =2345a(21) =5537a(22) =11573a(23) =20928a(24) =25413a(25) =20928a(26) =11573a(27) =5537a(28) =13105a(29) =32627
External references
- oeis: A255101