Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301355
Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =2a(2) =13a(3) =101a(4) =1356a(5) =44148a(6) =3241470a(7) =456790733a(8) =132506438551
External references
- oeis: A301355