Number of nX4 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.

A276244

Number of nX4 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.

Terms

    a(0) =6a(1) =72a(2) =279a(3) =1447a(4) =7316a(5) =36744a(6) =188696a(7) =966555a(8) =4951790a(9) =25428687a(10) =130544436a(11) =670268288a(12) =3442454805a(13) =17679508687a(14) =90799294877a(15) =466351655607

External references