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

A274955

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

Terms

    a(0) =6a(1) =72a(2) =384a(3) =2376a(4) =14406a(5) =87780a(6) =536406a(7) =3278016a(8) =20027574a(9) =122367012a(10) =747675414a(11) =4568374272a(12) =27913169094a(13) =170551986900

External references