T(n,k) = number of n X k 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X (k+1) 0..2 array without adjacent equal elements in the latter.

A229521

T(n,k) = number of n X k 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X (k+1) 0..2 array without adjacent equal elements in the latter.

Terms

    a(0) =3a(1) =7a(2) =7a(3) =17a(4) =33a(5) =17a(6) =39a(7) =129a(8) =129a(9) =39a(10) =91a(11) =481a(12) =775a(13) =481a(14) =91a(15) =211a(16) =1751a(17) =4193a(18) =4193a(19) =1751a(20) =211a(21) =491a(22) =6433a(23) =23059a(24) =34151a(25) =23059a(26) =6433a(27) =491a(28) =1141a(29) =23507

External references