Number of nX5 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.

A304299

Number of nX5 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =8a(2) =6a(3) =13a(4) =62a(5) =88a(6) =339a(7) =888a(8) =2108a(9) =6329a(10) =16064a(11) =43396a(12) =117393a(13) =310556a(14) =838566a(15) =2237425a(16) =5994192a(17) =16070962a(18) =42980591a(19) =115197362a(20) =308417124a(21) =825876409a(22) =2212071620a(23) =5923132330a(24) =15863081325a(25) =42480892952a(26) =113761890098a(27) =304659172431

External references