Number of nX6 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.
A206861
Number of nX6 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.
Terms
- a(0) =529a(1) =279841a(2) =61164640a(3) =13093461017
External references
- oeis: A206861