Number of nX5 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A302512

Number of nX5 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =7a(2) =21a(3) =36a(4) =90a(5) =184a(6) =376a(7) =832a(8) =1744a(9) =3684a(10) =7908a(11) =16724a(12) =35532a(13) =75700a(14) =160628a(15) =341460a(16) =726132a(17) =1542596a(18) =3278948a(19) =6969732a(20) =14811684a(21) =31481860a(22) =66911620a(23) =142208964a(24) =302253508a(25) =642403076a(26) =1365342212a(27) =2901889028a(28) =6167616388a(29) =13108516100

External references