Number of nX4 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278276
Number of nX4 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =13a(2) =122a(3) =1461a(4) =16842a(5) =196726a(6) =2293193a(7) =26748095a(8) =311952675a(9) =3638315600a(10) =42433460041a(11) =494899976008
External references
- oeis: A278276