Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,2,0,3 for x=0,1,2,3,4.
A196640
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,2,0,3 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =161a(2) =2716a(3) =61040a(4) =1359317a(5) =30213746a(6) =665532327a(7) =14699136810a(8) =324580294214
External references
- oeis: A196640