T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.
A231219
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.
Terms
- a(0) =3a(1) =4a(2) =4a(3) =7a(4) =9a(5) =7a(6) =12a(7) =22a(8) =22a(9) =12a(10) =23a(11) =59a(12) =93a(13) =59a(14) =23a(15) =44a(16) =156a(17) =408a(18) =408a(19) =156a(20) =44a(21) =87a(22) =413a(23) =1793a(24) =2892a(25) =1793a(26) =413a(27) =87a(28) =172a(29) =1098
External references
- oeis: A231219