Number of n X 4 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
A285148
Number of n X 4 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
Terms
- a(0) =2a(1) =58a(2) =820a(3) =11574a(4) =166624a(5) =2446130a(6) =36367674a(7) =545774302a(8) =8250020936a(9) =125432428398
External references
- oeis: A285148