Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,1,1 for x=0,1,2,3,4.
A198151
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,1,1 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =31a(2) =240a(3) =2093a(4) =17991a(5) =145266a(6) =1255491a(7) =10755887a(8) =91079908a(9) =776489747a(10) =6609595197a(11) =56225308358a(12) =478661740841
External references
- oeis: A198151