Number of 4 X n 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2.

A275268

Number of 4 X n 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2.

Terms

    a(0) =14a(1) =64a(2) =396a(3) =2564a(4) =17036a(5) =114184a(6) =767400a(7) =5162348a(8) =34738608a(9) =233788948a(10) =1573443364a(11) =10589696164a(12) =71271786592a(13) =479680852000

External references