Number of nX7 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

A304009

Number of nX7 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =99a(2) =99a(3) =211a(4) =655a(5) =1458a(6) =4224a(7) =10633a(8) =28365a(9) =75175a(10) =201031a(11) =544217a(12) =1452266a(13) =3908208a(14) =10505646a(15) =28266755a(16) =76097248a(17) =204983456a(18) =552420015a(19) =1488384837a(20) =4011805443a(21) =10816167549a(22) =29162780211a(23) =78639733211a(24) =212076547630

External references