Number of nX1 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX1 array.
A220106
Number of nX1 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX1 array.
Terms
- a(0) =4a(1) =16a(2) =56a(3) =250a(4) =984a(5) =3888a(6) =15798a(7) =63092a(8) =252064a(9) =1010554a(10) =4040556a(11) =16155482a(12) =64620946a(13) =258358476a(14) =1032891644a(15) =4129483594a(16) =16508060352a(17) =65991303276a(18) =263798841494
External references
- oeis: A220106