Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301490
Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =1063a(2) =4326a(3) =38558a(4) =594953a(5) =8479276a(6) =116648010a(7) =1642511178a(8) =23269383762a(9) =329448536106
External references
- oeis: A301490