Number of (n+1)X(3+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.
A232071
Number of (n+1)X(3+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.
Terms
- a(0) =46a(1) =520a(2) =6624a(3) =82996a(4) =1043172a(5) =13105012a(6) =164650280a(7) =2068621706a(8) =25989674166a(9) =326528021922
External references
- oeis: A232071