Number of nX4 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.
A240889
Number of nX4 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.
Terms
- a(0) =4a(1) =36a(2) =289a(3) =2362a(4) =19065a(5) =154858a(6) =1255585a(7) =10186158a(8) =82615013a(9) =670126562a(10) =5435464261a(11) =44088312610a(12) =357608156789
External references
- oeis: A240889