Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300687
Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =307a(2) =7187a(3) =150558a(4) =3179333a(5) =67479838a(6) =1431755828a(7) =30366081812a(8) =643942334598
External references
- oeis: A300687