Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,3 for x=0,1,2,3,4.
A197202
Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,3 for x=0,1,2,3,4.
Terms
- a(0) =2a(1) =16a(2) =100a(3) =588a(4) =3649a(5) =22210a(6) =135560a(7) =827698a(8) =5055418a(9) =30875671a(10) =188551113a(11) =1151456304a(12) =7031841993a(13) =42943005672a(14) =262250032226
External references
- oeis: A197202