Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,1,0,2 for x=0,1,2,3,4.
A196900
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,1,0,2 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =7a(2) =71a(3) =401a(4) =2975a(5) =20191a(6) =141833a(7) =986015a(8) =6866117a(9) =47832829a(10) =333044999a(11) =2319651781a(12) =16154076631a(13) =112501830469a(14) =783493377407
External references
- oeis: A196900