Number of 5 X n 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A303317

Number of 5 X n 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =16a(1) =9a(2) =19a(3) =74a(4) =139a(5) =410a(6) =1799a(7) =5907a(8) =16494a(9) =53290a(10) =184915a(11) =593160a(12) =1846238a(13) =5986532a(14) =19644799a(15) =63120477a(16) =201894029a(17) =652765881a(18) =2113653016a(19) =6806905917a(20) =21913260238a(21) =70736938785a(22) =228339832475a(23) =736091706666

External references