Number of nX7 0..1 arrays with every element unequal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

A304262

Number of nX7 0..1 arrays with every element unequal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =72a(2) =61a(3) =181a(4) =772a(5) =2516a(6) =10024a(7) =35769a(8) =143364a(9) =546403a(10) =2127606a(11) =8299219a(12) =32202805a(13) =125918125a(14) =490459555a(15) =1914519705a(16) =7464476082a(17) =29134292070a(18) =113630849252a(19) =443388799039

External references