Number of (n+1)X(1+1) 0..2 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.
A236089
Number of (n+1)X(1+1) 0..2 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.
Terms
- a(0) =81a(1) =344a(2) =1512a(3) =6444a(4) =28060a(5) =119928a(6) =519616a(7) =2226672a(8) =9647072a(9) =41385504a(10) =178859072a(11) =768389952a(12) =3320384320a(13) =14272229248a(14) =61597584640a(15) =264983260416
External references
- oeis: A236089