Number of nX3 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

A316125

Number of nX3 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =16a(2) =60a(3) =197a(4) =816a(5) =3421a(6) =13488a(7) =54585a(8) =222050a(9) =896928a(10) =3628145a(11) =14702693a(12) =59523873a(13) =240964415a(14) =975799703a(15) =3951226107a(16) =15998479918a(17) =64780965677a(18) =262310632650

External references