Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,2,1,2 for x=0,1,2,3,4.
A197341
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,2,1,2 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =73a(2) =856a(3) =12148a(4) =159818a(5) =2218128a(6) =30771790a(7) =425710602a(8) =5901225887a(9) =81906890563
External references
- oeis: A197341