T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock.
A236137
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock.
Terms
- a(0) =256a(1) =2816a(2) =2816a(3) =31552a(4) =67264a(5) =31552a(6) =351872a(7) =1611168a(8) =1611168a(9) =351872a(10) =3932416a(11) =38691488a(12) =83422344a(13) =38691488a(14) =3932416a(15) =43917824a(16) =929734720a(17) =4324702912a(18) =4324702912a(19) =929734720a(20) =43917824a(21) =490505216a(22) =22330450944a(23) =224789303820
External references
- oeis: A236137