Number of nX7 0..1 arrays with every element equal to 1, 2 or 3 king-move adjacent elements, with upper left element zero.

A297822

Number of nX7 0..1 arrays with every element equal to 1, 2 or 3 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =1933a(2) =3124a(3) =13417a(4) =43931a(5) =146530a(6) =467104a(7) =1485611a(8) =4742326a(9) =15121792a(10) =48148189a(11) =153781266a(12) =492324793a(13) =1577859150a(14) =5058924132a(15) =16225860490a(16) =52059118956a(17) =167096376917a(18) =536508689557

External references