Number of nX5 0..1 arrays with every element equal to 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

A298180

Number of nX5 0..1 arrays with every element equal to 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =3a(2) =3a(3) =6a(4) =15a(5) =27a(6) =54a(7) =117a(8) =237a(9) =508a(10) =1073a(11) =2261a(12) =4852a(13) =10375a(14) =22175a(15) =47602a(16) =102187a(17) =219583a(18) =472170a(19) =1015449a(20) =2185065a(21) =4703176a(22) =10124077a(23) =21797129a(24) =46934664a(25) =101069563a(26) =217658203a(27) =468756814a(28) =1009568519a(29) =2174384483

External references