Number of nX4 0..1 arrays with every element unequal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A305171
Number of nX4 0..1 arrays with every element unequal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =18a(2) =46a(3) =410a(4) =2397a(5) =13970a(6) =93426a(7) =586718a(8) =3677924a(9) =23496484a(10) =148684241a(11) =941163254a(12) =5971654744a(13) =37839850436a(14) =239798822661
External references
- oeis: A305171