Number of n X 7 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302277
Number of n X 7 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =98a(2) =363a(3) =1621a(4) =14125a(5) =72083a(6) =384916a(7) =3027442a(8) =17837758a(9) =105323556a(10) =739401390a(11) =4650704407a(12) =28941532526a(13) =193466816941
External references
- oeis: A302277