Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,4,0,2,1 for x=0,1,2,3,4.
A197304
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,4,0,2,1 for x=0,1,2,3,4.
Terms
- a(0) =5a(1) =57a(2) =344a(3) =3181a(4) =27709a(5) =207538a(6) =1711736a(7) =14233577a(8) =115744195a(9) =943877937a(10) =7722480242a(11) =63119151256a(12) =515801027829
External references
- oeis: A197304