Number of nX6 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302222
Number of nX6 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =537a(2) =3425a(3) =38736a(4) =338204a(5) =3420704a(6) =32181643a(7) =310963650a(8) =2973099477a(9) =28539661221a(10) =273649285789
External references
- oeis: A302222