Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

A304007

Number of nX5 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) =26a(2) =27a(3) =64a(4) =137a(5) =271a(6) =655a(7) =1412a(8) =3245a(9) =7809a(10) =17290a(11) =40682a(12) =93292a(13) =216048a(14) =499755a(15) =1162587a(16) =2685521a(17) =6238096a(18) =14489376a(19) =33631721a(20) =78120529a(21) =181638185a(22) =422198419a(23) =981730209a(24) =2284138522a(25) =5314049218a(26) =12366970040a(27) =28787274304a(28) =67017999388

External references