Number of nX4 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
A278173
Number of nX4 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =13a(2) =126a(3) =1476a(4) =17396a(5) =205363a(6) =2419304a(7) =28515138a(8) =336046126a(9) =3960336818a(10) =46672710626a(11) =550039863065
External references
- oeis: A278173