Number of nX3 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

A299223

Number of nX3 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =17a(2) =113a(3) =628a(4) =3669a(5) =21792a(6) =128610a(7) =758715a(8) =4478515a(9) =26434415a(10) =156022822a(11) =920895737a(12) =5435426140a(13) =32081622538a(14) =189355989729

External references