Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,4,1,0 for x=0,1,2,3,4.
A196986
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,4,1,0 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =9a(2) =81a(3) =547a(4) =4244a(5) =31791a(6) =242602a(7) =1838579a(8) =13941719a(9) =105949190a(10) =804555155a(11) =6108373537a(12) =46382778115a(13) =352202493024
External references
- oeis: A196986