Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302325
Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =81a(2) =281a(3) =953a(4) =3559a(5) =14022a(6) =55727a(7) =218945a(8) =863315a(9) =3440917a(10) =13790826a(11) =55318042a(12) =222174413a(13) =894490623a(14) =3609079051a(15) =14580970526a(16) =58964739319a(17) =238673570964a(18) =966918646489
External references
- oeis: A302325