T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock.
A236127
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock.
Terms
- a(0) =256a(1) =2782a(2) =2782a(3) =30660a(4) =65360a(5) =30660a(6) =337810a(7) =1546388a(8) =1546388a(9) =337810a(10) =3723012a(11) =36646316a(12) =79435700a(13) =36646316a(14) =3723012a(15) =41005528a(16) =867557598a(17) =4076346506a(18) =4076346506a(19) =867557598a(20) =41005528a(21) =451716944a(22) =20540949574a(23) =209227480445
External references
- oeis: A236127