T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order.
A231199
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order.
Terms
- a(0) =9a(1) =67a(2) =67a(3) =538a(4) =1413a(5) =538a(6) =4264a(7) =31665a(8) =31665a(9) =4264a(10) =33868a(11) =704428a(12) =2001156a(13) =704428a(14) =33868a(15) =268936a(16) =15698874a(17) =125862699a(18) =125862699a(19) =15698874a(20) =268936a(21) =2135636a(22) =349736292a(23) =7925306181a(24) =22370911245a(25) =7925306181a(26) =349736292a(27) =2135636a(28) =16959144
External references
- oeis: A231199