Number of n X 2 0..2 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..2 introduced in row major order.

A241133

Number of n X 2 0..2 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..2 introduced in row major order.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =17a(4) =56a(5) =195a(6) =691a(7) =2476a(8) =8941a(9) =32393a(10) =117632a(11) =427635a(12) =1555643a(13) =5661060a(14) =20604893a(15) =75004865a(16) =273044808a(17) =994013923a(18) =3618750915a(19) =13174348572a(20) =47962513037a(21) =174612764153a(22) =635697854288

External references