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 of every 2X2 subblock.
A236596
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 of every 2X2 subblock.
Terms
- a(0) =256a(1) =2680a(2) =2680a(3) =28462a(4) =57496a(5) =28462a(6) =299860a(7) =1235744a(8) =1235744a(9) =299860a(10) =3170170a(11) =26588346a(12) =54793276a(13) =26588346a(14) =3170170a(15) =33464862a(16) =572295072a(17) =2421675358a(18) =2421675358a(19) =572295072a(20) =33464862a(21) =353620413a(22) =12319404000a(23) =107677667581
External references
- oeis: A236596