T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock.
A236645
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock.
Terms
- a(0) =81a(1) =518a(2) =518a(3) =3313a(4) =5572a(5) =3313a(6) =21276a(7) =59602a(8) =59602a(9) =21276a(10) =136697a(11) =642482a(12) =1059502a(13) =642482a(14) =136697a(15) =877196a(16) =6911962a(17) =19049512a(18) =19049512a(19) =6911962a(20) =877196a(21) =5629192a(22) =74396558a(23) =341611331a(24) =573664384a(25) =341611331a(26) =74396558a(27) =5629192a(28) =36133600
External references
- oeis: A236645