Number of n X n 0..1 arrays with every element equal to 0, 1, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302629
Number of n X n 0..1 arrays with every element equal to 0, 1, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =3a(2) =8a(3) =33a(4) =257a(5) =2262a(6) =30216a(7) =652931a(8) =18446157a(9) =797627174a(10) =48788464441
External references
- oeis: A302629