Number of nX4 0..1 arrays with every element unequal to 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A320360
Number of nX4 0..1 arrays with every element unequal to 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =2a(2) =13a(3) =97a(4) =657a(5) =4563a(6) =32371a(7) =228784a(8) =1612859a(9) =11374902a(10) =80252806a(11) =566175160a(12) =3994098794a(13) =28176649157a(14) =198775593337
External references
- oeis: A320360