Number of n X 5 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
A284331
Number of n X 5 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
Terms
- a(0) =10a(1) =118a(2) =2259a(3) =68458a(4) =1792007a(5) =53977741a(6) =1544903012a(7) =46769835006
External references
- oeis: A284331