Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,3,0,4 for x=0,1,2,3,4.
A196575
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,3,0,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =17a(2) =117a(3) =971a(4) =8781a(5) =63549a(6) =543386a(7) =4387171a(8) =35669727a(9) =291499339a(10) =2369674010a(11) =19309008083a(12) =157281534172
External references
- oeis: A196575