Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,1,4 for x=0,1,2,3,4.

A196283

Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,1,4 for x=0,1,2,3,4.

Terms

    a(0) =5a(1) =17a(2) =50a(3) =335a(4) =882a(5) =2998a(6) =13533a(7) =57281a(8) =234589a(9) =894628a(10) =3478771a(11) =13926862a(12) =56524150a(13) =227694275a(14) =905576485a(15) =3600687113a(16) =14386585452a(17) =57666400761a(18) =231012630142a(19) =923586956312

External references