Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,2,0 for x=0,1,2,3,4.
A197197
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,2,0 for x=0,1,2,3,4.
Terms
- a(0) =9a(1) =85a(2) =621a(3) =5311a(4) =42664a(5) =350711a(6) =2873141a(7) =23497244a(8) =192348965a(9) =1574634137a(10) =12888915436a(11) =105499317727a(12) =863568784956
External references
- oeis: A197197