Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 7 or 8 king-move adjacent elements, with upper left element zero.

A305584

Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =32a(1) =13a(2) =33a(3) =102a(4) =327a(5) =1897a(6) =8182a(7) =33142a(8) =152197a(9) =674090a(10) =2919193a(11) =12923734a(12) =57045467a(13) =250441014a(14) =1103213496a(15) =4860506415a(16) =21390637972a(17) =94180079216a(18) =414722020105

External references