T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the difference of the upper median and the lower median in each 2X2 subblock.
A236041
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the difference of the upper median and the lower median in each 2X2 subblock.
Terms
- a(0) =256a(1) =2404a(2) =2404a(3) =22994a(4) =42264a(5) =22994a(6) =218568a(7) =722548a(8) =722548a(9) =218568a(10) =2089160a(11) =12435076a(12) =21941716a(13) =12435076a(14) =2089160a(15) =19942272a(16) =215833320a(17) =674450852a(18) =674450852a(19) =215833320a(20) =19942272a(21) =190367530a(22) =3742165712a(23) =21249328546
External references
- oeis: A236041